23332231 has 4 divisors (see below), whose sum is σ = 25127032. Its totient is φ = 21537432.

The previous prime is 23332219. The next prime is 23332249. The reversal of 23332231 is 13223332.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23332231 - 2⁷ = 23332103 is a prime.

It is a super-2 number, since 2×23332231² = 1088786006874722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23332199 and 23332208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23332201) 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, 897381 + ... + 897406.

It is an arithmetic number, because the mean of its divisors is an integer number (6281758).

Almost surely, 2^23332231 is an apocalyptic number.

23332231 is a deficient number, since it is larger than the sum of its proper divisors (1794801).

23332231 is a wasteful number, since it uses less digits than its factorization.

23332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794800.

The product of its digits is 648, while the sum is 19.

The square root of 23332231 is about 4830.3448117086. The cubic root of 23332231 is about 285.7494627284.

Adding to 23332231 its reverse (13223332), we get a palindrome (36555563).

The spelling of 23332231 in words is "twenty-three million, three hundred thirty-two thousand, two hundred thirty-one".