23175307956139 has 2 divisors, whose sum is σ = 23175307956140. Its totient is φ = 23175307956138.

The previous prime is 23175307956133. The next prime is 23175307956287. The reversal of 23175307956139 is 93165970357132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23175307956139 - 2²⁷ = 23175173738411 is a prime.

It is not a weakly prime, because it can be changed into another prime (23175307956133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11587653978069 + 11587653978070.

It is an arithmetic number, because the mean of its divisors is an integer number (11587653978070).

Almost surely, 2^{23175307956139} is an apocalyptic number.

23175307956139 is a deficient number, since it is larger than the sum of its proper divisors (1).

23175307956139 is an equidigital number, since it uses as much as digits as its factorization.

23175307956139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32148900, while the sum is 61.

The spelling of 23175307956139 in words is "twenty-three trillion, one hundred seventy-five billion, three hundred seven million, nine hundred fifty-six thousand, one hundred thirty-nine".