23154135612 has 24 divisors (see below), whose sum is σ = 54062400000. Its totient is φ = 7712890416.

The previous prime is 23154135583. The next prime is 23154135617. The reversal of 23154135612 is 21653145132.

It is a super-2 number, since 2×23154135612² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154135617) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 625612 + ... + 661587.

It is an arithmetic number, because the mean of its divisors is an integer number (2252600000).

Almost surely, 2^23154135612 is an apocalyptic number.

It is an amenable number.

23154135612 is an abundant number, since it is smaller than the sum of its proper divisors (30908264388).

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

23154135612 is a wasteful number, since it uses less digits than its factorization.

23154135612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288705 (or 1288703 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

It can be divided in two parts, 23154 and 135612, that added together give a triangular number (158766 = T₅₆₃).

The spelling of 23154135612 in words is "twenty-three billion, one hundred fifty-four million, one hundred thirty-five thousand, six hundred twelve".