23299972906687 has 2 divisors, whose sum is σ = 23299972906688. Its totient is φ = 23299972906686.

The previous prime is 23299972906549. The next prime is 23299972906729. The reversal of 23299972906687 is 78660927999232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23299972906687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23299972946687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11649986453343 + 11649986453344.

It is an arithmetic number, because the mean of its divisors is an integer number (11649986453344).

Almost surely, 2^{23299972906687} is an apocalyptic number.

23299972906687 is a deficient number, since it is larger than the sum of its proper divisors (1).

23299972906687 is an equidigital number, since it uses as much as digits as its factorization.

23299972906687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222131968, while the sum is 79.

The spelling of 23299972906687 in words is "twenty-three trillion, two hundred ninety-nine billion, nine hundred seventy-two million, nine hundred six thousand, six hundred eighty-seven".