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23231002112123 = 131787000162471
BaseRepresentation
bin1010100100000111000111…
…01000001111000001111011
310001020212021110221221101012
411102003203220033001323
511021104043020041443
6121224101450344135
74615245613600361
oct522034350170173
9101225243857335
1023231002112123
117447238074683
1227323a772b04b
13cc689bcc4540
145a455a7bb631
152a4459625118
hex1520e3a0f07b

23231002112123 has 4 divisors (see below), whose sum is σ = 25018002274608. Its totient is φ = 21444001949640.

The previous prime is 23231002112081. The next prime is 23231002112147. The reversal of 23231002112123 is 32121120013232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23231002112123 - 222 = 23230997917819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23231004112123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893500081223 + ... + 893500081248.

It is an arithmetic number, because the mean of its divisors is an integer number (6254500568652).

Almost surely, 223231002112123 is an apocalyptic number.

23231002112123 is a deficient number, since it is larger than the sum of its proper divisors (1787000162485).

23231002112123 is a wasteful number, since it uses less digits than its factorization.

23231002112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787000162484.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 23231002112123 its reverse (32121120013232), we get a palindrome (55352122125355).

The spelling of 23231002112123 in words is "twenty-three trillion, two hundred thirty-one billion, two million, one hundred twelve thousand, one hundred twenty-three".

Divisors: 1 13 1787000162471 23231002112123