231672723 has 4 divisors (see below), whose sum is σ = 308896968. Its totient is φ = 154448480.

The previous prime is 231672709. The next prime is 231672731. The reversal of 231672723 is 327276132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231672723 - 2⁹ = 231672211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231672773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38612118 + ... + 38612123.

It is an arithmetic number, because the mean of its divisors is an integer number (77224242).

Almost surely, 2^231672723 is an apocalyptic number.

231672723 is a deficient number, since it is larger than the sum of its proper divisors (77224245).

231672723 is an equidigital number, since it uses as much as digits as its factorization.

231672723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77224244.

The product of its digits is 21168, while the sum is 33.

The square root of 231672723 is about 15220.7990263324. The cubic root of 231672723 is about 614.1742927763.

The spelling of 231672723 in words is "two hundred thirty-one million, six hundred seventy-two thousand, seven hundred twenty-three".