23044199939 has 2 divisors, whose sum is σ = 23044199940. Its totient is φ = 23044199938.

The previous prime is 23044199933. The next prime is 23044200007. The reversal of 23044199939 is 93999144032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23044199939 - 2⁴ = 23044199923 is a prime.

It is not a weakly prime, because it can be changed into another prime (23044199933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522099969 + 11522099970.

It is an arithmetic number, because the mean of its divisors is an integer number (11522099970).

Almost surely, 2^23044199939 is an apocalyptic number.

23044199939 is a deficient number, since it is larger than the sum of its proper divisors (1).

23044199939 is an equidigital number, since it uses as much as digits as its factorization.

23044199939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 23044199939 in words is "twenty-three billion, forty-four million, one hundred ninety-nine thousand, nine hundred thirty-nine".