23487039431 has 2 divisors, whose sum is σ = 23487039432. Its totient is φ = 23487039430.

The previous prime is 23487039377. The next prime is 23487039479. The reversal of 23487039431 is 13493078432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23487039431 is a prime.

It is a super-3 number, since 3×23487039431³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23487239431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11743519715 + 11743519716.

It is an arithmetic number, because the mean of its divisors is an integer number (11743519716).

Almost surely, 2^23487039431 is an apocalyptic number.

23487039431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23487039431 is an equidigital number, since it uses as much as digits as its factorization.

23487039431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 23487039431 in words is "twenty-three billion, four hundred eighty-seven million, thirty-nine thousand, four hundred thirty-one".