231323193 has 24 divisors (see below), whose sum is σ = 341172000. Its totient is φ = 151001664.

The previous prime is 231323177. The next prime is 231323201. The reversal of 231323193 is 391323132.

It is not a de Polignac number, because 231323193 - 2⁴ = 231323177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231323123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84358 + ... + 87056.

It is an arithmetic number, because the mean of its divisors is an integer number (14215500).

Almost surely, 2^231323193 is an apocalyptic number.

It is an amenable number.

231323193 is a deficient number, since it is larger than the sum of its proper divisors (109848807).

231323193 is a wasteful number, since it uses less digits than its factorization.

231323193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901 (or 2898 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 231323193 is about 15209.3127063651. The cubic root of 231323193 is about 613.8652643205.

The spelling of 231323193 in words is "two hundred thirty-one million, three hundred twenty-three thousand, one hundred ninety-three".