23179130256439 has 2 divisors, whose sum is σ = 23179130256440. Its totient is φ = 23179130256438.

The previous prime is 23179130256427. The next prime is 23179130256487. The reversal of 23179130256439 is 93465203197132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23179130256439 - 2¹⁷ = 23179130125367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23179130256439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23179130256419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11589565128219 + 11589565128220.

It is an arithmetic number, because the mean of its divisors is an integer number (11589565128220).

Almost surely, 2^{23179130256439} is an apocalyptic number.

23179130256439 is a deficient number, since it is larger than the sum of its proper divisors (1).

23179130256439 is an equidigital number, since it uses as much as digits as its factorization.

23179130256439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 23179130256439 in words is "twenty-three trillion, one hundred seventy-nine billion, one hundred thirty million, two hundred fifty-six thousand, four hundred thirty-nine".