23555531056431 has 16 divisors (see below), whose sum is σ = 34264150702848. Its totient is φ = 14275429396800.

The previous prime is 23555531056403. The next prime is 23555531056451. The reversal of 23555531056431 is 13465013555532.

It is not a de Polignac number, because 23555531056431 - 2¹¹ = 23555531054383 is a prime.

It is a super-2 number, since 2×23555531056431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23555531056451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15514555 + ... + 16965036.

It is an arithmetic number, because the mean of its divisors is an integer number (2141509418928).

Almost surely, 2^{23555531056431} is an apocalyptic number.

23555531056431 is a deficient number, since it is larger than the sum of its proper divisors (10708619646417).

23555531056431 is a wasteful number, since it uses less digits than its factorization.

23555531056431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32501582.

The product of its (nonzero) digits is 4050000, while the sum is 48.

The spelling of 23555531056431 in words is "twenty-three trillion, five hundred fifty-five billion, five hundred thirty-one million, fifty-six thousand, four hundred thirty-one".