23154136 has 32 divisors (see below), whose sum is σ = 46738080. Its totient is φ = 10713600.

The previous prime is 23154133. The next prime is 23154139. The reversal of 23154136 is 63145132.

It is an interprime number because it is at equal distance from previous prime (23154133) and next prime (23154139).

It is a super-2 number, since 2×23154136² = 1072228027812992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23154136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6901 + ... + 9691.

It is an arithmetic number, because the mean of its divisors is an integer number (1460565).

Almost surely, 2^23154136 is an apocalyptic number.

It is an amenable number.

23154136 is an abundant number, since it is smaller than the sum of its proper divisors (23583944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23154136 is a wasteful number, since it uses less digits than its factorization.

23154136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875 (or 2871 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 23154136 is about 4811.8744788284. The cubic root of 23154136 is about 285.0205627925.

Adding to 23154136 its reverse (63145132), we get a palindrome (86299268).

The spelling of 23154136 in words is "twenty-three million, one hundred fifty-four thousand, one hundred thirty-six".