23993928139 has 2 divisors, whose sum is σ = 23993928140. Its totient is φ = 23993928138.

The previous prime is 23993928113. The next prime is 23993928143. The reversal of 23993928139 is 93182939932.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23993928139 - 2⁵ = 23993928107 is a prime.

It is not a weakly prime, because it can be changed into another prime (23993928109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11996964069 + 11996964070.

It is an arithmetic number, because the mean of its divisors is an integer number (11996964070).

Almost surely, 2^23993928139 is an apocalyptic number.

23993928139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23993928139 is an equidigital number, since it uses as much as digits as its factorization.

23993928139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5668704, while the sum is 58.

The spelling of 23993928139 in words is "twenty-three billion, nine hundred ninety-three million, nine hundred twenty-eight thousand, one hundred thirty-nine".