23032790257 has 2 divisors, whose sum is σ = 23032790258. Its totient is φ = 23032790256.

The previous prime is 23032790177. The next prime is 23032790273. The reversal of 23032790257 is 75209723032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17335408896 + 5697381361 = 131664^2 + 75481^2 .

It is a cyclic number.

It is not a de Polignac number, because 23032790257 - 2¹⁹ = 23032265969 is a prime.

It is not a weakly prime, because it can be changed into another prime (23032797257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516395128 + 11516395129.

It is an arithmetic number, because the mean of its divisors is an integer number (11516395129).

Almost surely, 2^23032790257 is an apocalyptic number.

It is an amenable number.

23032790257 is a deficient number, since it is larger than the sum of its proper divisors (1).

23032790257 is an equidigital number, since it uses as much as digits as its factorization.

23032790257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 23032790257 in words is "twenty-three billion, thirty-two million, seven hundred ninety thousand, two hundred fifty-seven".