23197928899 has 2 divisors, whose sum is σ = 23197928900. Its totient is φ = 23197928898.

The previous prime is 23197928891. The next prime is 23197928927. The reversal of 23197928899 is 99882979132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23197928899 - 2³ = 23197928891 is a prime.

It is not a weakly prime, because it can be changed into another prime (23197928891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11598964449 + 11598964450.

It is an arithmetic number, because the mean of its divisors is an integer number (11598964450).

Almost surely, 2^23197928899 is an apocalyptic number.

23197928899 is a deficient number, since it is larger than the sum of its proper divisors (1).

23197928899 is an equidigital number, since it uses as much as digits as its factorization.

23197928899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35271936, while the sum is 67.

The spelling of 23197928899 in words is "twenty-three billion, one hundred ninety-seven million, nine hundred twenty-eight thousand, eight hundred ninety-nine".