231162643 has 8 divisors (see below), whose sum is σ = 238231728. Its totient is φ = 224136864.

The previous prime is 231162641. The next prime is 231162661. The reversal of 231162643 is 346261132.

231162643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 231162643 - 2¹ = 231162641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231162641) 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, 180 + ... + 21502.

It is an arithmetic number, because the mean of its divisors is an integer number (29778966).

Almost surely, 2^231162643 is an apocalyptic number.

231162643 is a deficient number, since it is larger than the sum of its proper divisors (7069085).

231162643 is a wasteful number, since it uses less digits than its factorization.

231162643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21653.

The product of its digits is 5184, while the sum is 28.

The square root of 231162643 is about 15204.0337739693. The cubic root of 231162643 is about 613.7232136011.

The spelling of 231162643 in words is "two hundred thirty-one million, one hundred sixty-two thousand, six hundred forty-three".