23232621 has 4 divisors (see below), whose sum is σ = 30976832. Its totient is φ = 15488412.

The previous prime is 23232619. The next prime is 23232623. The reversal of 23232621 is 12623232.

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 an interprime number because it is at equal distance from previous prime (23232619) and next prime (23232623).

It is not a de Polignac number, because 23232621 - 2¹ = 23232619 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 (23232623) 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, 3872101 + ... + 3872106.

It is an arithmetic number, because the mean of its divisors is an integer number (7744208).

Almost surely, 2^23232621 is an apocalyptic number.

It is an amenable number.

23232621 is a deficient number, since it is larger than the sum of its proper divisors (7744211).

23232621 is an equidigital number, since it uses as much as digits as its factorization.

23232621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7744210.

The product of its digits is 864, while the sum is 21.

The square root of 23232621 is about 4820.0229252567. The cubic root of 23232621 is about 285.3422419786.

Adding to 23232621 its reverse (12623232), we get a palindrome (35855853).

The spelling of 23232621 in words is "twenty-three million, two hundred thirty-two thousand, six hundred twenty-one".