23302231 has 4 divisors (see below), whose sum is σ = 23405112. Its totient is φ = 23199352.

The previous prime is 23302229. The next prime is 23302249. The reversal of 23302231 is 13220332.

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 23302231 - 2¹ = 23302229 is a prime.

It is a super-2 number, since 2×23302231² = 1085987939154722, 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 (23302031) 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, 51100 + ... + 51553.

It is an arithmetic number, because the mean of its divisors is an integer number (5851278).

Almost surely, 2^23302231 is an apocalyptic number.

23302231 is a deficient number, since it is larger than the sum of its proper divisors (102881).

23302231 is a wasteful number, since it uses less digits than its factorization.

23302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102880.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 23302231 is about 4827.2384444939. The cubic root of 23302231 is about 285.6269403600.

Adding to 23302231 its reverse (13220332), we get a palindrome (36522563).

The spelling of 23302231 in words is "twenty-three million, three hundred two thousand, two hundred thirty-one".