231230057 has 8 divisors (see below), whose sum is σ = 249979200. Its totient is φ = 213138864.

The previous prime is 231230009. The next prime is 231230117. The reversal of 231230057 is 750032132.

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

It is a cyclic number.

It is not a de Polignac number, because 231230057 - 2⁶ = 231229993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231230357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163757 + ... + 165162.

It is an arithmetic number, because the mean of its divisors is an integer number (31247400).

Almost surely, 2^231230057 is an apocalyptic number.

It is an amenable number.

231230057 is a deficient number, since it is larger than the sum of its proper divisors (18749143).

231230057 is a wasteful number, since it uses less digits than its factorization.

231230057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328975.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 231230057 is about 15206.2505898068. The cubic root of 231230057 is about 613.7828678701.

Adding to 231230057 its reverse (750032132), we get a palindrome (981262189).

The spelling of 231230057 in words is "two hundred thirty-one million, two hundred thirty thousand, fifty-seven".