23351973709536 has 96 divisors (see below), whose sum is σ = 68543744885280. Its totient is φ = 7734411629568.

The previous prime is 23351973709529. The next prime is 23351973709553. The reversal of 23351973709536 is 63590737915332.

23351973709536 is a `hidden beast` number, since 2 + 3 + 3 + 5 + 1 + 97 + 3 + 7 + 0 + 9 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×23351973709536² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 85939981 + ... + 86211276.

It is an arithmetic number, because the mean of its divisors is an integer number (713997342555).

Almost surely, 2^{23351973709536} is an apocalyptic number.

It is an amenable number.

23351973709536 is an abundant number, since it is smaller than the sum of its proper divisors (45191771175744).

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

23351973709536 is a wasteful number, since it uses less digits than its factorization.

23351973709536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172151433 (or 172151419 counting only the distinct ones).

The product of its (nonzero) digits is 96446700, while the sum is 63.

The spelling of 23351973709536 in words is "twenty-three trillion, three hundred fifty-one billion, nine hundred seventy-three million, seven hundred nine thousand, five hundred thirty-six".