230863520 has 48 divisors (see below), whose sum is σ = 550284840. Its totient is φ = 91528192.

The previous prime is 230863513. The next prime is 230863531. The reversal of 230863520 is 25368032.

It can be written as a sum of positive squares in 4 ways, for example, as 15713296 + 215150224 = 3964^2 + 14668^2 .

It is a super-3 number, since 3×230863520³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042984 + ... + 2043096.

Almost surely, 2^230863520 is an apocalyptic number.

230863520 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 230863520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275142420).

230863520 is an abundant number, since it is smaller than the sum of its proper divisors (319421320).

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

230863520 is an frugal number, since it uses more digits than its factorization.

230863520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 230863520 is about 15194.1936278303. The cubic root of 230863520 is about 613.4583813504.

The spelling of 230863520 in words is "two hundred thirty million, eight hundred sixty-three thousand, five hundred twenty".