23055157 has 2 divisors, whose sum is σ = 23055158. Its totient is φ = 23055156.

The previous prime is 23055139. The next prime is 23055163. The reversal of 23055157 is 75155032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16573041 + 6482116 = 4071^2 + 2546^2 .

It is a cyclic number.

It is not a de Polignac number, because 23055157 - 2²³ = 14666549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23055127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11527578 + 11527579.

It is an arithmetic number, because the mean of its divisors is an integer number (11527579).

Almost surely, 2^23055157 is an apocalyptic number.

It is an amenable number.

23055157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23055157 is an equidigital number, since it uses as much as digits as its factorization.

23055157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 23055157 is about 4801.5785945874. The cubic root of 23055157 is about 284.6138486347.

The spelling of 23055157 in words is "twenty-three million, fifty-five thousand, one hundred fifty-seven".