238513233 has 48 divisors (see below), whose sum is σ = 382576704. Its totient is φ = 131725440.

The previous prime is 238513201. The next prime is 238513267. The reversal of 238513233 is 332315832.

It is not a de Polignac number, because 238513233 - 2⁵ = 238513201 is a prime.

It is a super-2 number, since 2×238513233² = 113777124632224578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 238513233.

It is not an unprimeable number, because it can be changed into a prime (238513273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 600591 + ... + 600987.

It is an arithmetic number, because the mean of its divisors is an integer number (7970348).

Almost surely, 2^238513233 is an apocalyptic number.

It is an amenable number.

238513233 is a deficient number, since it is larger than the sum of its proper divisors (144063471).

238513233 is a wasteful number, since it uses less digits than its factorization.

238513233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 535 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 238513233 is about 15443.8736397317. The cubic root of 238513233 is about 620.1605836211.

The spelling of 238513233 in words is "two hundred thirty-eight million, five hundred thirteen thousand, two hundred thirty-three".