231469523 has 4 divisors (see below), whose sum is σ = 234924360. Its totient is φ = 228014688.

The previous prime is 231469519. The next prime is 231469541. The reversal of 231469523 is 325964132.

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 231469523 - 2² = 231469519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231469123) 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, 1727318 + ... + 1727451.

It is an arithmetic number, because the mean of its divisors is an integer number (58731090).

Almost surely, 2^231469523 is an apocalyptic number.

231469523 is a deficient number, since it is larger than the sum of its proper divisors (3454837).

231469523 is an equidigital number, since it uses as much as digits as its factorization.

231469523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454836.

The product of its digits is 38880, while the sum is 35.

The square root of 231469523 is about 15214.1224853752. The cubic root of 231469523 is about 613.9946762899.

The spelling of 231469523 in words is "two hundred thirty-one million, four hundred sixty-nine thousand, five hundred twenty-three".