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23203312032 = 2532912136871
BaseRepresentation
bin10101100111000001…
…100111000110100000
32012220002010101021010
4111213001213012200
5340010021441112
614354235300520
71450666620015
oct254701470640
965802111233
1023203312032
11992773483a
1245b68aa740
13225a235b44
1411a18d370c
1590c0c063c
hex5670671a0

23203312032 has 96 divisors (see below), whose sum is σ = 63070116480. Its totient is φ = 7460490240.

The previous prime is 23203312007. The next prime is 23203312037. The reversal of 23203312032 is 23021330232.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (23203312037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3373557 + ... + 3380427.

It is an arithmetic number, because the mean of its divisors is an integer number (656980380).

Almost surely, 223203312032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23203312032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31535058240).

23203312032 is an abundant number, since it is smaller than the sum of its proper divisors (39866804448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23203312032 is a wasteful number, since it uses less digits than its factorization.

23203312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126 (or 8118 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23203312032 its reverse (23021330232), we get a palindrome (46224642264).

The spelling of 23203312032 in words is "twenty-three billion, two hundred three million, three hundred twelve thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 32 48 58 87 96 116 174 232 348 464 696 928 1213 1392 2426 2784 3639 4852 6871 7278 9704 13742 14556 19408 20613 27484 29112 35177 38816 41226 54968 58224 70354 82452 105531 109936 116448 140708 164904 199259 211062 219872 281416 329808 398518 422124 562832 597777 659616 797036 844248 1125664 1195554 1594072 1688496 2391108 3188144 3376992 4782216 6376288 8334523 9564432 16669046 19128864 25003569 33338092 50007138 66676184 100014276 133352368 200028552 241701167 266704736 400057104 483402334 725103501 800114208 966804668 1450207002 1933609336 2900414004 3867218672 5800828008 7734437344 11601656016 23203312032