23626013 has 4 divisors (see below), whose sum is σ = 23746140. Its totient is φ = 23505888.

The previous prime is 23626003. The next prime is 23626027. The reversal of 23626013 is 31062632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16216729 + 7409284 = 4027^2 + 2722^2 .

It is a cyclic number.

It is not a de Polignac number, because 23626013 - 2¹⁶ = 23560477 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23626013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23626003) 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, 59768 + ... + 60161.

It is an arithmetic number, because the mean of its divisors is an integer number (5936535).

Almost surely, 2^23626013 is an apocalyptic number.

It is an amenable number.

23626013 is a deficient number, since it is larger than the sum of its proper divisors (120127).

23626013 is a wasteful number, since it uses less digits than its factorization.

23626013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120126.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 23626013 is about 4860.6597288845. The cubic root of 23626013 is about 286.9437785198.

Adding to 23626013 its reverse (31062632), we get a palindrome (54688645).

The spelling of 23626013 in words is "twenty-three million, six hundred twenty-six thousand, thirteen".