230931897 has 8 divisors (see below), whose sum is σ = 351896256. Its totient is φ = 131961072.

The previous prime is 230931889. The next prime is 230931919. The reversal of 230931897 is 798139032.

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

It is not a de Polignac number, because 230931897 - 2³ = 230931889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230931497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5498358 + ... + 5498399.

It is an arithmetic number, because the mean of its divisors is an integer number (43987032).

Almost surely, 2^230931897 is an apocalyptic number.

It is an amenable number.

230931897 is a deficient number, since it is larger than the sum of its proper divisors (120964359).

230931897 is a wasteful number, since it uses less digits than its factorization.

230931897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10996767.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 230931897 is about 15196.4435642028. The cubic root of 230931897 is about 613.5189399339.

The spelling of 230931897 in words is "two hundred thirty million, nine hundred thirty-one thousand, eight hundred ninety-seven".