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23312020032 = 2632717340103
BaseRepresentation
bin10101101101100000…
…010011001001000000
32020011122200022121100
4111231200103021000
5340220334120112
614413121254400
71453456620660
oct255540231100
966148608540
1023312020032
119983033764
124627194400
1322769080c2
1411b21101a0
159168e52dc
hex56d813240

23312020032 has 168 divisors, whose sum is σ = 80857685376. Its totient is φ = 6268760064.

The previous prime is 23312020027. The next prime is 23312020091. The reversal of 23312020032 is 23002021332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23312019987 and 23312020014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101508 + ... + 238595.

Almost surely, 223312020032 is an apocalyptic number.

It is an amenable number.

23312020032 is an abundant number, since it is smaller than the sum of its proper divisors (57545665344).

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

23312020032 is a wasteful number, since it uses less digits than its factorization.

23312020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340145 (or 340132 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23312020032 its reverse (23002021332), we get a palindrome (46314041364).

The spelling of 23312020032 in words is "twenty-three billion, three hundred twelve million, twenty thousand, thirty-two".