23930475277 has 2 divisors, whose sum is σ = 23930475278. Its totient is φ = 23930475276.

The previous prime is 23930475259. The next prime is 23930475293. The reversal of 23930475277 is 77257403932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15883308841 + 8047166436 = 126029^2 + 89706^2 .

It is a cyclic number.

It is not a de Polignac number, because 23930475277 - 2¹⁵ = 23930442509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23930475277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23930175277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11965237638 + 11965237639.

It is an arithmetic number, because the mean of its divisors is an integer number (11965237639).

Almost surely, 2^23930475277 is an apocalyptic number.

It is an amenable number.

23930475277 is a deficient number, since it is larger than the sum of its proper divisors (1).

23930475277 is an equidigital number, since it uses as much as digits as its factorization.

23930475277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 23930475277 in words is "twenty-three billion, nine hundred thirty million, four hundred seventy-five thousand, two hundred seventy-seven".