231874000 has 80 divisors (see below), whose sum is σ = 564535296. Its totient is φ = 92112000.

The previous prime is 231873991. The next prime is 231874009. The reversal of 231874000 is 478132.

231874000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231873991) and next prime (231874009).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231874009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381697 + ... + 382303.

Almost surely, 2^231874000 is an apocalyptic number.

231874000 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 231874000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282267648).

231874000 is an abundant number, since it is smaller than the sum of its proper divisors (332661296).

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

231874000 is a wasteful number, since it uses less digits than its factorization.

231874000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 231874000 is about 15227.4094973505. The cubic root of 231874000 is about 614.3521059355.

The spelling of 231874000 in words is "two hundred thirty-one million, eight hundred seventy-four thousand".