231204600 has 144 divisors (see below), whose sum is σ = 847122120. Its totient is φ = 56044800.

The previous prime is 231204581. The next prime is 231204629. The reversal of 231204600 is 6402132.

It is a happy number.

It is a super-2 number, since 2×231204600² = 106911134122320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13962 + ... + 25638.

Almost surely, 2^231204600 is an apocalyptic number.

231204600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231204600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423561060).

231204600 is an abundant number, since it is smaller than the sum of its proper divisors (615917520).

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

231204600 is a wasteful number, since it uses less digits than its factorization.

231204600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11710 (or 11698 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 231204600 is about 15205.4135096682. The cubic root of 231204600 is about 613.7603424768.

Adding to 231204600 its reverse (6402132), we get a palindrome (237606732).

The spelling of 231204600 in words is "two hundred thirty-one million, two hundred four thousand, six hundred".