231243200 has 84 divisors (see below), whose sum is σ = 574487040. Its totient is φ = 91607040.

The previous prime is 231243179. The next prime is 231243209. The reversal of 231243200 is 2342132.

231243200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231243209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180161 + ... + 181439.

Almost surely, 2^231243200 is an apocalyptic number.

231243200 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 231243200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287243520).

231243200 is an abundant number, since it is smaller than the sum of its proper divisors (343243840).

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

231243200 is a wasteful number, since it uses less digits than its factorization.

231243200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 231243200 is about 15206.6827414792. The cubic root of 231243200 is about 613.7944966861.

Adding to 231243200 its reverse (2342132), we get a palindrome (233585332).

The spelling of 231243200 in words is "two hundred thirty-one million, two hundred forty-three thousand, two hundred".