231376893 has 16 divisors (see below), whose sum is σ = 336870912. Its totient is φ = 140094000.

The previous prime is 231376891. The next prime is 231376909. The reversal of 231376893 is 398673132.

It is a happy number.

It is not a de Polignac number, because 231376893 - 2¹ = 231376891 is a prime.

It is a super-2 number, since 2×231376893² = 107070533228666898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231376891) 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, 39888 + ... + 45318.

It is an arithmetic number, because the mean of its divisors is an integer number (21054432).

Almost surely, 2^231376893 is an apocalyptic number.

It is an amenable number.

231376893 is a deficient number, since it is larger than the sum of its proper divisors (105494019).

231376893 is a wasteful number, since it uses less digits than its factorization.

231376893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6736.

The product of its digits is 163296, while the sum is 42.

The square root of 231376893 is about 15211.0779696904. The cubic root of 231376893 is about 613.9127621002.

The spelling of 231376893 in words is "two hundred thirty-one million, three hundred seventy-six thousand, eight hundred ninety-three".