238965233 has 16 divisors (see below), whose sum is σ = 264411840. Its totient is φ = 214570944.

The previous prime is 238965229. The next prime is 238965241. The reversal of 238965233 is 332569832.

It is a cyclic number.

It is not a de Polignac number, because 238965233 - 2² = 238965229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238965263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163058 + ... + 164516.

It is an arithmetic number, because the mean of its divisors is an integer number (16525740).

Almost surely, 2^238965233 is an apocalyptic number.

It is an amenable number.

238965233 is a deficient number, since it is larger than the sum of its proper divisors (25446607).

238965233 is a wasteful number, since it uses less digits than its factorization.

238965233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808.

The product of its digits is 233280, while the sum is 41.

The square root of 238965233 is about 15458.5003477051. The cubic root of 238965233 is about 620.5520862861.

The spelling of 238965233 in words is "two hundred thirty-eight million, nine hundred sixty-five thousand, two hundred thirty-three".