23502130 has 16 divisors (see below), whose sum is σ = 42741720. Its totient is φ = 9303552.

The previous prime is 23502121. The next prime is 23502137. The reversal of 23502130 is 3120532.

It can be written as a sum of positive squares in 4 ways, for example, as 13446889 + 10055241 = 3667^2 + 3171^2 .

It is a super-2 number, since 2×23502130² = 1104700229073800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23502137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11145 + ... + 13084.

Almost surely, 2^23502130 is an apocalyptic number.

23502130 is a deficient number, since it is larger than the sum of its proper divisors (19239590).

23502130 is a wasteful number, since it uses less digits than its factorization.

23502130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24333.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 23502130 is about 4847.8995451639. The cubic root of 23502130 is about 286.4413694623.

Adding to 23502130 its reverse (3120532), we get a palindrome (26622662).

It can be divided in two parts, 23502 and 130, that added together give a palindrome (23632).

The spelling of 23502130 in words is "twenty-three million, five hundred two thousand, one hundred thirty".