23825013 has 4 divisors (see below), whose sum is σ = 31766688. Its totient is φ = 15883340.

The previous prime is 23824963. The next prime is 23825051. The reversal of 23825013 is 31052832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23825013 - 2⁹ = 23824501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23825063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3970833 + ... + 3970838.

It is an arithmetic number, because the mean of its divisors is an integer number (7941672).

Almost surely, 2^23825013 is an apocalyptic number.

It is an amenable number.

23825013 is a deficient number, since it is larger than the sum of its proper divisors (7941675).

23825013 is an equidigital number, since it uses as much as digits as its factorization.

23825013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941674.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 23825013 is about 4881.0872764170. The cubic root of 23825013 is about 287.7471618728.

Adding to 23825013 its reverse (31052832), we get a palindrome (54877845).

The spelling of 23825013 in words is "twenty-three million, eight hundred twenty-five thousand, thirteen".