235223172 has 18 divisors (see below), whose sum is σ = 594591998. Its totient is φ = 78407712.

The previous prime is 235223161. The next prime is 235223179. The reversal of 235223172 is 271322532.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 235192896 + 30276 = 15336^2 + 174^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (235223179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3266953 + ... + 3267024.

Almost surely, 2^235223172 is an apocalyptic number.

It is an amenable number.

235223172 is an abundant number, since it is smaller than the sum of its proper divisors (359368826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

235223172 is a wasteful number, since it uses less digits than its factorization.

235223172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533987 (or 6533982 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 235223172 is about 15336.9870574373. The cubic root of 235223172 is about 617.2958643805.

The spelling of 235223172 in words is "two hundred thirty-five million, two hundred twenty-three thousand, one hundred seventy-two".