23956172994433 has 2 divisors, whose sum is σ = 23956172994434. Its totient is φ = 23956172994432.

The previous prime is 23956172994421. The next prime is 23956172994443. The reversal of 23956172994433 is 33449927165932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18329632441344 + 5626540553089 = 4281312^2 + 2372033^2 .

It is a cyclic number.

It is not a de Polignac number, because 23956172994433 - 2²⁵ = 23956139440001 is a prime.

It is not a weakly prime, because it can be changed into another prime (23956172994443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11978086497216 + 11978086497217.

It is an arithmetic number, because the mean of its divisors is an integer number (11978086497217).

Almost surely, 2^{23956172994433} is an apocalyptic number.

It is an amenable number.

23956172994433 is a deficient number, since it is larger than the sum of its proper divisors (1).

23956172994433 is an equidigital number, since it uses as much as digits as its factorization.

23956172994433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264539520, while the sum is 67.

The spelling of 23956172994433 in words is "twenty-three trillion, nine hundred fifty-six billion, one hundred seventy-two million, nine hundred ninety-four thousand, four hundred thirty-three".