23420923277 has 2 divisors, whose sum is σ = 23420923278. Its totient is φ = 23420923276.

The previous prime is 23420923223. The next prime is 23420923319. The reversal of 23420923277 is 77232902432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22720738756 + 700184521 = 150734^2 + 26461^2 .

It is a cyclic number.

It is not a de Polignac number, because 23420923277 - 2²⁰ = 23419874701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23420923217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11710461638 + 11710461639.

It is an arithmetic number, because the mean of its divisors is an integer number (11710461639).

Almost surely, 2^23420923277 is an apocalyptic number.

It is an amenable number.

23420923277 is a deficient number, since it is larger than the sum of its proper divisors (1).

23420923277 is an equidigital number, since it uses as much as digits as its factorization.

23420923277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 23420923277 in words is "twenty-three billion, four hundred twenty million, nine hundred twenty-three thousand, two hundred seventy-seven".