23001199999 has 2 divisors, whose sum is σ = 23001200000. Its totient is φ = 23001199998.

The previous prime is 23001199939. The next prime is 23001200009. The reversal of 23001199999 is 99999110032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23001199999 - 2²⁵ = 22967645567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23001199919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500599999 + 11500600000.

It is an arithmetic number, because the mean of its divisors is an integer number (11500600000).

Almost surely, 2^23001199999 is an apocalyptic number.

23001199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001199999 is an equidigital number, since it uses as much as digits as its factorization.

23001199999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 354294, while the sum is 52.

The spelling of 23001199999 in words is "twenty-three billion, one million, one hundred ninety-nine thousand, nine hundred ninety-nine".