23126504 has 8 divisors (see below), whose sum is σ = 43362210. Its totient is φ = 11563248.

The previous prime is 23126489. The next prime is 23126507. The reversal of 23126504 is 40562132.

It can be written as a sum of positive squares in only one way, i.e., 16826404 + 6300100 = 4102^2 + 2510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 23126504.

It is not an unprimeable number, because it can be changed into a prime (23126507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445399 + ... + 1445414.

Almost surely, 2^23126504 is an apocalyptic number.

It is an amenable number.

23126504 is a deficient number, since it is larger than the sum of its proper divisors (20235706).

23126504 is a wasteful number, since it uses less digits than its factorization.

23126504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2890819 (or 2890815 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 23126504 is about 4809.0023913490. The cubic root of 23126504 is about 284.9071370789.

Subtracting from 23126504 its sum of digits (23), we obtain a square (23126481 = 4809²).

Adding to 23126504 its reverse (40562132), we get a palindrome (63688636).

The spelling of 23126504 in words is "twenty-three million, one hundred twenty-six thousand, five hundred four".