23445231 has 8 divisors (see below), whose sum is σ = 31570224. Its totient is φ = 15475200.

The previous prime is 23445229. The next prime is 23445251. The reversal of 23445231 is 13254432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23445231 - 2¹ = 23445229 is a prime.

It is a super-2 number, since 2×23445231² = 1099357713286722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23445251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38386 + ... + 38991.

It is an arithmetic number, because the mean of its divisors is an integer number (3946278).

Almost surely, 2^23445231 is an apocalyptic number.

23445231 is a deficient number, since it is larger than the sum of its proper divisors (8124993).

23445231 is a wasteful number, since it uses less digits than its factorization.

23445231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77481.

The product of its digits is 2880, while the sum is 24.

The square root of 23445231 is about 4842.0275711731. The cubic root of 23445231 is about 286.2100230843.

Adding to 23445231 its reverse (13254432), we get a palindrome (36699663).

The spelling of 23445231 in words is "twenty-three million, four hundred forty-five thousand, two hundred thirty-one".