230030520 has 32 divisors (see below), whose sum is σ = 690091920. Its totient is φ = 61341440.

The previous prime is 230030503. The next prime is 230030527. The reversal of 230030520 is 25030032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 230030520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230030527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958341 + ... + 958580.

Almost surely, 2^230030520 is an apocalyptic number.

230030520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230030520 is an abundant number, since it is smaller than the sum of its proper divisors (460061400).

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

230030520 is a wasteful number, since it uses less digits than its factorization.

230030520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916935 (or 1916931 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 230030520 is about 15166.7570693276. The cubic root of 230030520 is about 612.7196668708.

Adding to 230030520 its reverse (25030032), we get a palindrome (255060552).

The spelling of 230030520 in words is "two hundred thirty million, thirty thousand, five hundred twenty".