231723047 has 6 divisors (see below), whose sum is σ = 239440104. Its totient is φ = 224247180.

The previous prime is 231723017. The next prime is 231723053. The reversal of 231723047 is 740327132.

It is not a de Polignac number, because 231723047 - 2⁸ = 231722791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231723007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119603 + ... + 121524.

It is an arithmetic number, because the mean of its divisors is an integer number (39906684).

Almost surely, 2^231723047 is an apocalyptic number.

231723047 is a deficient number, since it is larger than the sum of its proper divisors (7717057).

231723047 is an equidigital number, since it uses as much as digits as its factorization.

231723047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241189 (or 241158 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 231723047 is about 15222.4520692298. The cubic root of 231723047 is about 614.2187599152.

The spelling of 231723047 in words is "two hundred thirty-one million, seven hundred twenty-three thousand, forty-seven".