23282557 has 2 divisors, whose sum is σ = 23282558. Its totient is φ = 23282556.

The previous prime is 23282551. The next prime is 23282561. The reversal of 23282557 is 75528232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14907321 + 8375236 = 3861^2 + 2894^2 .

It is a cyclic number.

It is not a de Polignac number, because 23282557 - 2³ = 23282549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23282551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11641278 + 11641279.

It is an arithmetic number, because the mean of its divisors is an integer number (11641279).

Almost surely, 2^23282557 is an apocalyptic number.

It is an amenable number.

23282557 is a deficient number, since it is larger than the sum of its proper divisors (1).

23282557 is an equidigital number, since it uses as much as digits as its factorization.

23282557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 34.

The square root of 23282557 is about 4825.2002031004. The cubic root of 23282557 is about 285.5465330855.

The spelling of 23282557 in words is "twenty-three million, two hundred eighty-two thousand, five hundred fifty-seven".