231423052 has 24 divisors (see below), whose sum is σ = 463357440. Its totient is φ = 99071760.

The previous prime is 231423041. The next prime is 231423061. The reversal of 231423052 is 250324132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24477 + ... + 32587.

It is an arithmetic number, because the mean of its divisors is an integer number (19306560).

Almost surely, 2^231423052 is an apocalyptic number.

It is an amenable number.

231423052 is an abundant number, since it is smaller than the sum of its proper divisors (231934388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231423052 is a wasteful number, since it uses less digits than its factorization.

231423052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9141 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 231423052 is about 15212.5951763662. The cubic root of 231423052 is about 613.9535839740.

Adding to 231423052 its reverse (250324132), we get a palindrome (481747184).

The spelling of 231423052 in words is "two hundred thirty-one million, four hundred twenty-three thousand, fifty-two".