23153129 has 2 divisors, whose sum is σ = 23153130. Its totient is φ = 23153128.

The previous prime is 23153089. The next prime is 23153149. The reversal of 23153129 is 92135132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 846400 = 4723^2 + 920^2 .

It is a cyclic number.

It is not a de Polignac number, because 23153129 - 2²⁰ = 22104553 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23153098 and 23153107.

It is not a weakly prime, because it can be changed into another prime (23153149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11576564 + 11576565.

It is an arithmetic number, because the mean of its divisors is an integer number (11576565).

Almost surely, 2^23153129 is an apocalyptic number.

It is an amenable number.

23153129 is a deficient number, since it is larger than the sum of its proper divisors (1).

23153129 is an equidigital number, since it uses as much as digits as its factorization.

23153129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 23153129 is about 4811.7698407135. The cubic root of 23153129 is about 285.0164307753.

The spelling of 23153129 in words is "twenty-three million, one hundred fifty-three thousand, one hundred twenty-nine".