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23002310121 = 3716313215087
BaseRepresentation
bin10101011011000010…
…110110010111101001
32012101001220102110220
4111123002312113221
5334102042410441
614322255200253
71443006260430
oct253302662751
965331812426
1023002310121
11983422805a
12455b516089
1322276ba7bb
141182d30117
158e9619466
hex55b0b65e9

23002310121 has 32 divisors (see below), whose sum is σ = 35299811328. Its totient is φ = 13051082880.

The previous prime is 23002310063. The next prime is 23002310197. The reversal of 23002310121 is 12101320032.

It is not a de Polignac number, because 23002310121 - 213 = 23002301929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23002310121.

It is not an unprimeable number, because it can be changed into a prime (23002310021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4519240 + ... + 4524326.

It is an arithmetic number, because the mean of its divisors is an integer number (1103119104).

Almost surely, 223002310121 is an apocalyptic number.

23002310121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23002310121 is a deficient number, since it is larger than the sum of its proper divisors (12297501207).

23002310121 is a wasteful number, since it uses less digits than its factorization.

23002310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23002310121 its reverse (12101320032), we get a palindrome (35103630153).

The spelling of 23002310121 in words is "twenty-three billion, two million, three hundred ten thousand, one hundred twenty-one".

Divisors: 1 3 7 21 163 489 1141 1321 3423 3963 5087 9247 15261 27741 35609 106827 215323 645969 829181 1507261 2487543 4521783 5804267 6719927 17412801 20159781 47039489 141118467 1095348101 3286044303 7667436707 23002310121