23444013 has 8 divisors (see below), whose sum is σ = 31359808. Its totient is φ = 15578784.

The previous prime is 23444009. The next prime is 23444053. The reversal of 23444013 is 31044432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23444013 - 2² = 23444009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11545 + ... + 13422.

It is an arithmetic number, because the mean of its divisors is an integer number (3919976).

Almost surely, 2^23444013 is an apocalyptic number.

It is an amenable number.

23444013 is a deficient number, since it is larger than the sum of its proper divisors (7915795).

23444013 is a wasteful number, since it uses less digits than its factorization.

23444013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25283.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 23444013 is about 4841.9017957823. The cubic root of 23444013 is about 286.2050667125.

Adding to 23444013 its reverse (31044432), we get a palindrome (54488445).

The spelling of 23444013 in words is "twenty-three million, four hundred forty-four thousand, thirteen".