230515320 has 64 divisors (see below), whose sum is σ = 790341120. Its totient is φ = 52689024.

The previous prime is 230515289. The next prime is 230515331. The reversal of 230515320 is 23515032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136372 + ... + 138051.

It is an arithmetic number, because the mean of its divisors is an integer number (12349080).

Almost surely, 2^230515320 is an apocalyptic number.

230515320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230515320 is an abundant number, since it is smaller than the sum of its proper divisors (559825800).

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

230515320 is a wasteful number, since it uses less digits than its factorization.

230515320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274444 (or 274440 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 230515320 is about 15182.7309796360. The cubic root of 230515320 is about 613.1498098778.

The spelling of 230515320 in words is "two hundred thirty million, five hundred fifteen thousand, three hundred twenty".