23032231 has 2 divisors, whose sum is σ = 23032232. Its totient is φ = 23032230.

The previous prime is 23032211. The next prime is 23032253. The reversal of 23032231 is 13223032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23032231 - 2⁷ = 23032103 is a prime.

It is a super-2 number, since 2×23032231² = 1060967329674722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23032211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11516115 + 11516116.

It is an arithmetic number, because the mean of its divisors is an integer number (11516116).

Almost surely, 2^23032231 is an apocalyptic number.

23032231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23032231 is an equidigital number, since it uses as much as digits as its factorization.

23032231 is an evil number, because the sum of its binary digits is even.

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

The square root of 23032231 is about 4799.1906609344. The cubic root of 23032231 is about 284.5194775413.

Adding to 23032231 its reverse (13223032), we get a palindrome (36255263).

The spelling of 23032231 in words is "twenty-three million, thirty-two thousand, two hundred thirty-one".