231790000 has 100 divisors (see below), whose sum is σ = 604693936. Its totient is φ = 85536000.

The previous prime is 231789997. The next prime is 231790043. The reversal of 231790000 is 97132.

231790000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 129109 + ... + 130891.

Almost surely, 2^231790000 is an apocalyptic number.

231790000 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 231790000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302346968).

231790000 is an abundant number, since it is smaller than the sum of its proper divisors (372903936).

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

231790000 is a wasteful number, since it uses less digits than its factorization.

231790000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 231790000 is about 15224.6510633249. The cubic root of 231790000 is about 614.2779107407.

The spelling of 231790000 in words is "two hundred thirty-one million, seven hundred ninety thousand".