23882557 has 2 divisors, whose sum is σ = 23882558. Its totient is φ = 23882556.

The previous prime is 23882543. The next prime is 23882609. The reversal of 23882557 is 75528832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19307236 + 4575321 = 4394^2 + 2139^2 .

It is a cyclic number.

It is not a de Polignac number, because 23882557 - 2⁷ = 23882429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23882657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11941278 + 11941279.

It is an arithmetic number, because the mean of its divisors is an integer number (11941279).

Almost surely, 2^23882557 is an apocalyptic number.

It is an amenable number.

23882557 is a deficient number, since it is larger than the sum of its proper divisors (1).

23882557 is an equidigital number, since it uses as much as digits as its factorization.

23882557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 40.

The square root of 23882557 is about 4886.9783097534. The cubic root of 23882557 is about 287.9786386227.

The spelling of 23882557 in words is "twenty-three million, eight hundred eighty-two thousand, five hundred fifty-seven".