231704463 has 4 divisors (see below), whose sum is σ = 308939288. Its totient is φ = 154469640.

The previous prime is 231704437. The next prime is 231704477. The reversal of 231704463 is 364407132.

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

It is not a de Polignac number, because 231704463 - 2⁶ = 231704399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231704463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231704423) 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, 38617408 + ... + 38617413.

It is an arithmetic number, because the mean of its divisors is an integer number (77234822).

Almost surely, 2^231704463 is an apocalyptic number.

231704463 is a deficient number, since it is larger than the sum of its proper divisors (77234825).

231704463 is an equidigital number, since it uses as much as digits as its factorization.

231704463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77234824.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 231704463 is about 15221.8416428499. The cubic root of 231704463 is about 614.2023395278.

The spelling of 231704463 in words is "two hundred thirty-one million, seven hundred four thousand, four hundred sixty-three".