23104136 has 32 divisors (see below), whose sum is σ = 47736000. Its totient is φ = 10395840.

The previous prime is 23104127. The next prime is 23104157. The reversal of 23104136 is 63140132.

It is a super-2 number, since 2×23104136² = 1067602200612992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7790 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (1491750).

Almost surely, 2^23104136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23104136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23868000).

23104136 is an abundant number, since it is smaller than the sum of its proper divisors (24631864).

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

23104136 is a wasteful number, since it uses less digits than its factorization.

23104136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669 (or 2665 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 23104136 is about 4806.6761904668. The cubic root of 23104136 is about 284.8152532019.

Adding to 23104136 its reverse (63140132), we get a palindrome (86244268).

It can be divided in two parts, 2310 and 4136, that added together give a palindrome (6446).

The spelling of 23104136 in words is "twenty-three million, one hundred four thousand, one hundred thirty-six".