23538834499 has 2 divisors, whose sum is σ = 23538834500. Its totient is φ = 23538834498.

The previous prime is 23538834481. The next prime is 23538834629. The reversal of 23538834499 is 99443883532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23538834499 - 2²⁹ = 23001963587 is a prime.

It is not a weakly prime, because it can be changed into another prime (23538834469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11769417249 + 11769417250.

It is an arithmetic number, because the mean of its divisors is an integer number (11769417250).

Almost surely, 2^23538834499 is an apocalyptic number.

23538834499 is a deficient number, since it is larger than the sum of its proper divisors (1).

23538834499 is an equidigital number, since it uses as much as digits as its factorization.

23538834499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 58.

The spelling of 23538834499 in words is "twenty-three billion, five hundred thirty-eight million, eight hundred thirty-four thousand, four hundred ninety-nine".