23233121 has 4 divisors (see below), whose sum is σ = 23579952. Its totient is φ = 22886292.

The previous prime is 23233109. The next prime is 23233127. The reversal of 23233121 is 12133232.

23233121 is nontrivially palindromic in base 16.

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 not a de Polignac number, because 23233121 - 2¹⁸ = 22970977 is a prime.

It is a super-2 number, since 2×23233121² = 1079555822801282, which contains 22 as substring.

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 23233121.

It is not an unprimeable number, because it can be changed into a prime (23233127) 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, 173315 + ... + 173448.

It is an arithmetic number, because the mean of its divisors is an integer number (5894988).

Almost surely, 2^23233121 is an apocalyptic number.

It is an amenable number.

23233121 is a deficient number, since it is larger than the sum of its proper divisors (346831).

23233121 is an equidigital number, since it uses as much as digits as its factorization.

23233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346830.

The product of its digits is 216, while the sum is 17.

The square root of 23233121 is about 4820.0747919508. The cubic root of 23233121 is about 285.3442889581.

Adding to 23233121 its reverse (12133232), we get a palindrome (35366353).

The spelling of 23233121 in words is "twenty-three million, two hundred thirty-three thousand, one hundred twenty-one".