23203172 has 12 divisors (see below), whose sum is σ = 41212080. Its totient is φ = 11428296.

The previous prime is 23203163. The next prime is 23203177. The reversal of 23203172 is 27130232.

It is a super-3 number, since 3×23203172³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23203177) 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, 43022 + ... + 43557.

It is an arithmetic number, because the mean of its divisors is an integer number (3434340).

Almost surely, 2^23203172 is an apocalyptic number.

It is an amenable number.

23203172 is a deficient number, since it is larger than the sum of its proper divisors (18008908).

23203172 is a wasteful number, since it uses less digits than its factorization.

23203172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86650 (or 86648 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 23203172 is about 4816.9670955903. The cubic root of 23203172 is about 285.2216271375.

The spelling of 23203172 in words is "twenty-three million, two hundred three thousand, one hundred seventy-two".