23431344625387 has 2 divisors, whose sum is σ = 23431344625388. Its totient is φ = 23431344625386.

The previous prime is 23431344625361. The next prime is 23431344625459. The reversal of 23431344625387 is 78352644313432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23431344625387 - 2¹⁵ = 23431344592619 is a prime.

It is not a weakly prime, because it can be changed into another prime (23431344625987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715672312693 + 11715672312694.

It is an arithmetic number, because the mean of its divisors is an integer number (11715672312694).

Almost surely, 2^{23431344625387} is an apocalyptic number.

23431344625387 is a deficient number, since it is larger than the sum of its proper divisors (1).

23431344625387 is an equidigital number, since it uses as much as digits as its factorization.

23431344625387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 55.

The spelling of 23431344625387 in words is "twenty-three trillion, four hundred thirty-one billion, three hundred forty-four million, six hundred twenty-five thousand, three hundred eighty-seven".