23026213 has 4 divisors (see below), whose sum is σ = 26315680. Its totient is φ = 19736748.

The previous prime is 23026207. The next prime is 23026229. The reversal of 23026213 is 31262032.

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 a de Polignac number, because none of the positive numbers 2^k-23026213 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 (23026513) 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, 1644723 + ... + 1644736.

It is an arithmetic number, because the mean of its divisors is an integer number (6578920).

Almost surely, 2^23026213 is an apocalyptic number.

It is an amenable number.

23026213 is a deficient number, since it is larger than the sum of its proper divisors (3289467).

23026213 is an equidigital number, since it uses as much as digits as its factorization.

23026213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289466.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23026213 is about 4798.5636392571. The cubic root of 23026213 is about 284.4946950620.

Adding to 23026213 its reverse (31262032), we get a palindrome (54288245).

It can be divided in two parts, 2302 and 6213, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 23026213 in words is "twenty-three million, twenty-six thousand, two hundred thirteen".