23336840939 has 2 divisors, whose sum is σ = 23336840940. Its totient is φ = 23336840938.

The previous prime is 23336840903. The next prime is 23336840983. The reversal of 23336840939 is 93904863332.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23336840939 is a prime.

It is not a weakly prime, because it can be changed into another prime (23336840339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11668420469 + 11668420470.

It is an arithmetic number, because the mean of its divisors is an integer number (11668420470).

Almost surely, 2^23336840939 is an apocalyptic number.

23336840939 is a deficient number, since it is larger than the sum of its proper divisors (1).

23336840939 is an equidigital number, since it uses as much as digits as its factorization.

23336840939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 50.

The spelling of 23336840939 in words is "twenty-three billion, three hundred thirty-six million, eight hundred forty thousand, nine hundred thirty-nine".