23444213 has 8 divisors (see below), whose sum is σ = 25363968. Its totient is φ = 21541104.

The previous prime is 23444189. The next prime is 23444231. The reversal of 23444213 is 31244432.

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

It is not a de Polignac number, because 23444213 - 2¹⁸ = 23182069 is a prime.

It is a super-2 number, since 2×23444213² = 1099262246378738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23444243) 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, 1145 + ... + 6942.

It is an arithmetic number, because the mean of its divisors is an integer number (3170496).

Almost surely, 2^23444213 is an apocalyptic number.

It is an amenable number.

23444213 is a deficient number, since it is larger than the sum of its proper divisors (1919755).

23444213 is a wasteful number, since it uses less digits than its factorization.

23444213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323.

The product of its digits is 2304, while the sum is 23.

The square root of 23444213 is about 4841.9224487800. The cubic root of 23444213 is about 286.2058805785.

Adding to 23444213 its reverse (31244432), we get a palindrome (54688645).

The spelling of 23444213 in words is "twenty-three million, four hundred forty-four thousand, two hundred thirteen".