23124805 has 16 divisors (see below), whose sum is σ = 31867200. Its totient is φ = 15932160.

The previous prime is 23124769. The next prime is 23124809. The reversal of 23124805 is 50842132.

It is not a de Polignac number, because 23124805 - 2⁹ = 23124293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23124805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23124809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10020 + ... + 12109.

It is an arithmetic number, because the mean of its divisors is an integer number (1991700).

Almost surely, 2^23124805 is an apocalyptic number.

It is an amenable number.

23124805 is a deficient number, since it is larger than the sum of its proper divisors (8742395).

23124805 is a wasteful number, since it uses less digits than its factorization.

23124805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22164.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 23124805 is about 4808.8257402405. The cubic root of 23124805 is about 284.9001599603.

Adding to 23124805 its reverse (50842132), we get a palindrome (73966937).

It can be divided in two parts, 2312 and 4805, that added together give a palindrome (7117).

The spelling of 23124805 in words is "twenty-three million, one hundred twenty-four thousand, eight hundred five".