231297843 has 16 divisors (see below), whose sum is σ = 356702976. Its totient is φ = 130576800.

The previous prime is 231297827. The next prime is 231297863. The reversal of 231297843 is 348792132.

It is not a de Polignac number, because 231297843 - 2⁴ = 231297827 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (231297863) 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, 64608 + ... + 68093.

It is an arithmetic number, because the mean of its divisors is an integer number (22293936).

Almost surely, 2^231297843 is an apocalyptic number.

231297843 is a deficient number, since it is larger than the sum of its proper divisors (125405133).

231297843 is a wasteful number, since it uses less digits than its factorization.

231297843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132794.

The product of its digits is 72576, while the sum is 39.

The square root of 231297843 is about 15208.4793125414. The cubic root of 231297843 is about 613.8428396301.

The spelling of 231297843 in words is "two hundred thirty-one million, two hundred ninety-seven thousand, eight hundred forty-three".