231452860 has 24 divisors (see below), whose sum is σ = 486336816. Its totient is φ = 92526720.

The previous prime is 231452839. The next prime is 231452861. The reversal of 231452860 is 68254132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231452861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65704 + ... + 69136.

It is an arithmetic number, because the mean of its divisors is an integer number (20264034).

Almost surely, 2^231452860 is an apocalyptic number.

231452860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231452860 is an abundant number, since it is smaller than the sum of its proper divisors (254883956).

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

231452860 is a wasteful number, since it uses less digits than its factorization.

231452860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6813 (or 6811 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 231452860 is about 15213.5748593156. The cubic root of 231452860 is about 613.9799425449.

The spelling of 231452860 in words is "two hundred thirty-one million, four hundred fifty-two thousand, eight hundred sixty".