23626630537 has 2 divisors, whose sum is σ = 23626630538. Its totient is φ = 23626630536.

The previous prime is 23626630519. The next prime is 23626630591. The reversal of 23626630537 is 73503662632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21874705801 + 1751924736 = 147901^2 + 41856^2 .

It is a cyclic number.

It is not a de Polignac number, because 23626630537 - 2¹¹ = 23626628489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23626630493 and 23626630502.

It is not a weakly prime, because it can be changed into another prime (23626630507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11813315268 + 11813315269.

It is an arithmetic number, because the mean of its divisors is an integer number (11813315269).

Almost surely, 2^23626630537 is an apocalyptic number.

It is an amenable number.

23626630537 is a deficient number, since it is larger than the sum of its proper divisors (1).

23626630537 is an equidigital number, since it uses as much as digits as its factorization.

23626630537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 43.

The spelling of 23626630537 in words is "twenty-three billion, six hundred twenty-six million, six hundred thirty thousand, five hundred thirty-seven".