231200230200 has 96 divisors (see below), whose sum is σ = 718289882160. Its totient is φ = 61518412800.

The previous prime is 231200230081. The next prime is 231200230201. The reversal of 231200230200 is 2032002132.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231200230200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231200230201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147391 + ... + 695790.

Almost surely, 2^231200230200 is an apocalyptic number.

231200230200 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 231200230200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359144941080).

231200230200 is an abundant number, since it is smaller than the sum of its proper divisors (487089651960).

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

231200230200 is a wasteful number, since it uses less digits than its factorization.

231200230200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843657 (or 843648 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 231200230200 its reverse (2032002132), we get a palindrome (233232232332).

The spelling of 231200230200 in words is "two hundred thirty-one billion, two hundred million, two hundred thirty thousand, two hundred".