23201312999 has 2 divisors, whose sum is σ = 23201313000. Its totient is φ = 23201312998.

The previous prime is 23201312993. The next prime is 23201313011. The reversal of 23201312999 is 99921310232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23201312999 - 2⁴ = 23201312983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23201312993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11600656499 + 11600656500.

It is an arithmetic number, because the mean of its divisors is an integer number (11600656500).

Almost surely, 2^23201312999 is an apocalyptic number.

23201312999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23201312999 is an equidigital number, since it uses as much as digits as its factorization.

23201312999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 23201312999 in words is "twenty-three billion, two hundred one million, three hundred twelve thousand, nine hundred ninety-nine".