231943800 has 192 divisors, whose sum is σ = 793877760. Its totient is φ = 55552000.

The previous prime is 231943757. The next prime is 231943813. The reversal of 231943800 is 8349132.

231943800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 745645 + ... + 745955.

It is an arithmetic number, because the mean of its divisors is an integer number (4134780).

Almost surely, 2^231943800 is an apocalyptic number.

231943800 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 231943800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396938880).

231943800 is an abundant number, since it is smaller than the sum of its proper divisors (561933960).

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

231943800 is a wasteful number, since it uses less digits than its factorization.

231943800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 231943800 is about 15229.7012446075. The cubic root of 231943800 is about 614.4137449792.

The spelling of 231943800 in words is "two hundred thirty-one million, nine hundred forty-three thousand, eight hundred".