23604157 has 2 divisors, whose sum is σ = 23604158. Its totient is φ = 23604156.

The previous prime is 23604107. The next prime is 23604179. The reversal of 23604157 is 75140632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 10830681 = 3574^2 + 3291^2 .

It is a cyclic number.

It is not a de Polignac number, because 23604157 - 2¹⁹ = 23079869 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 (23604107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11802078 + 11802079.

It is an arithmetic number, because the mean of its divisors is an integer number (11802079).

Almost surely, 2^23604157 is an apocalyptic number.

It is an amenable number.

23604157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23604157 is an equidigital number, since it uses as much as digits as its factorization.

23604157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 23604157 is about 4858.4109542113. The cubic root of 23604157 is about 286.8552690439.

Adding to 23604157 its reverse (75140632), we get a palindrome (98744789).

The spelling of 23604157 in words is "twenty-three million, six hundred four thousand, one hundred fifty-seven".