231238080 has 168 divisors, whose sum is σ = 842326992. Its totient is φ = 58023936.

The previous prime is 231238079. The next prime is 231238081. The reversal of 231238080 is 80832132.

It is an interprime number because it is at equal distance from previous prime (231238079) and next prime (231238081).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231238081) 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, 46599 + ... + 51321.

Almost surely, 2^231238080 is an apocalyptic number.

231238080 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 231238080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421163496).

231238080 is an abundant number, since it is smaller than the sum of its proper divisors (611088912).

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

231238080 is a wasteful number, since it uses less digits than its factorization.

231238080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4763 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 231238080 is about 15206.5143935091. The cubic root of 231238080 is about 613.7899666055.

The spelling of 231238080 in words is "two hundred thirty-one million, two hundred thirty-eight thousand, eighty".