23711773139 has 2 divisors, whose sum is σ = 23711773140. Its totient is φ = 23711773138.

The previous prime is 23711773123. The next prime is 23711773177. The reversal of 23711773139 is 93137711732.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23711773139 - 2⁴ = 23711773123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23711773139.

It is not a weakly prime, because it can be changed into another prime (23711773739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11855886569 + 11855886570.

It is an arithmetic number, because the mean of its divisors is an integer number (11855886570).

Almost surely, 2^23711773139 is an apocalyptic number.

23711773139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23711773139 is an equidigital number, since it uses as much as digits as its factorization.

23711773139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 166698, while the sum is 44.

The spelling of 23711773139 in words is "twenty-three billion, seven hundred eleven million, seven hundred seventy-three thousand, one hundred thirty-nine".