23043405864977 has 2 divisors, whose sum is σ = 23043405864978. Its totient is φ = 23043405864976.

The previous prime is 23043405864923. The next prime is 23043405865009. The reversal of 23043405864977 is 77946850434032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23029162874641 + 14242990336 = 4798871^2 + 119344^2 .

It is a cyclic number.

It is not a de Polignac number, because 23043405864977 - 2⁴⁰ = 21943894237201 is a prime.

It is not a weakly prime, because it can be changed into another prime (23043405864077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11521702932488 + 11521702932489.

It is an arithmetic number, because the mean of its divisors is an integer number (11521702932489).

Almost surely, 2^{23043405864977} is an apocalyptic number.

It is an amenable number.

23043405864977 is a deficient number, since it is larger than the sum of its proper divisors (1).

23043405864977 is an equidigital number, since it uses as much as digits as its factorization.

23043405864977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121927680, while the sum is 62.

The spelling of 23043405864977 in words is "twenty-three trillion, forty-three billion, four hundred five million, eight hundred sixty-four thousand, nine hundred seventy-seven".