23155357712 has 20 divisors (see below), whose sum is σ = 44902451580. Its totient is φ = 11567628288.

The previous prime is 23155357697. The next prime is 23155357721. The reversal of 23155357712 is 21775355132.

It can be written as a sum of positive squares in 2 ways, for example, as 8353228816 + 14802128896 = 91396^2 + 121664^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23155357712.

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 3 ways as a sum of consecutive naturals, for example, 609137 + ... + 646032.

It is an arithmetic number, because the mean of its divisors is an integer number (2245122579).

Almost surely, 2^23155357712 is an apocalyptic number.

It is an amenable number.

23155357712 is a deficient number, since it is larger than the sum of its proper divisors (21747093868).

23155357712 is a wasteful number, since it uses less digits than its factorization.

23155357712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256330 (or 1256324 counting only the distinct ones).

The product of its digits is 220500, while the sum is 41.

The spelling of 23155357712 in words is "twenty-three billion, one hundred fifty-five million, three hundred fifty-seven thousand, seven hundred twelve".