23323516499 has 2 divisors, whose sum is σ = 23323516500. Its totient is φ = 23323516498.

The previous prime is 23323516477. The next prime is 23323516549. The reversal of 23323516499 is 99461532332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23323516499 - 2¹² = 23323512403 is a prime.

It is not a weakly prime, because it can be changed into another prime (23323516409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11661758249 + 11661758250.

It is an arithmetic number, because the mean of its divisors is an integer number (11661758250).

Almost surely, 2^23323516499 is an apocalyptic number.

23323516499 is a deficient number, since it is larger than the sum of its proper divisors (1).

23323516499 is an equidigital number, since it uses as much as digits as its factorization.

23323516499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 47.

The spelling of 23323516499 in words is "twenty-three billion, three hundred twenty-three million, five hundred sixteen thousand, four hundred ninety-nine".