23956172994436 has 24 divisors (see below), whose sum is σ = 42159327729120. Its totient is φ = 11910656553792.

The previous prime is 23956172994433. The next prime is 23956172994443. The reversal of 23956172994436 is 63449927165932.

It is not an unprimeable number, because it can be changed into a prime (23956172994433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16183515 + ... + 17601661.

It is an arithmetic number, because the mean of its divisors is an integer number (1756638655380).

Almost surely, 2^{23956172994436} is an apocalyptic number.

It is an amenable number.

23956172994436 is a deficient number, since it is larger than the sum of its proper divisors (18203154734684).

23956172994436 is a wasteful number, since it uses less digits than its factorization.

23956172994436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441923 (or 1441921 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 70.

The spelling of 23956172994436 in words is "twenty-three trillion, nine hundred fifty-six billion, one hundred seventy-two million, nine hundred ninety-four thousand, four hundred thirty-six".