232391238 has 8 divisors (see below), whose sum is σ = 464782488. Its totient is φ = 77463744.

The previous prime is 232391209. The next prime is 232391251. The reversal of 232391238 is 832193232.

It is a sphenic number, since it is the product of 3 distinct primes.

232391238 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 232391199 and 232391208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19365931 + ... + 19365942.

It is an arithmetic number, because the mean of its divisors is an integer number (58097811).

Almost surely, 2^232391238 is an apocalyptic number.

232391238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

232391238 is a wasteful number, since it uses less digits than its factorization.

232391238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38731878.

The product of its digits is 15552, while the sum is 33.

The square root of 232391238 is about 15244.3838183116. The cubic root of 232391238 is about 614.8085754952.

The spelling of 232391238 in words is "two hundred thirty-two million, three hundred ninety-one thousand, two hundred thirty-eight".