23898231 has 36 divisors (see below), whose sum is σ = 41045472. Its totient is φ = 13353984.

The previous prime is 23898227. The next prime is 23898253. The reversal of 23898231 is 13289832.

It is a happy number.

It is not a de Polignac number, because 23898231 - 2² = 23898227 is a prime.

It is a super-2 number, since 2×23898231² = 1142250889858722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23898221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20151 + ... + 21303.

It is an arithmetic number, because the mean of its divisors is an integer number (1140152).

Almost surely, 2^23898231 is an apocalyptic number.

23898231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23898231 is a deficient number, since it is larger than the sum of its proper divisors (17147241).

23898231 is a wasteful number, since it uses less digits than its factorization.

23898231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1210 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 23898231 is about 4888.5816961569. The cubic root of 23898231 is about 288.0416244814.

The spelling of 23898231 in words is "twenty-three million, eight hundred ninety-eight thousand, two hundred thirty-one".