230345520 has 40 divisors (see below), whose sum is σ = 714071856. Its totient is φ = 61425408.

The previous prime is 230345471. The next prime is 230345527. The reversal of 230345520 is 25543032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (230345527) 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, 479647 + ... + 480126.

Almost surely, 2^230345520 is an apocalyptic number.

230345520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230345520 is an abundant number, since it is smaller than the sum of its proper divisors (483726336).

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

230345520 is a wasteful number, since it uses less digits than its factorization.

230345520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959789 (or 959783 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 230345520 is about 15177.1380701369. The cubic root of 230345520 is about 612.9992220388. Note that the first 3 decimals are identical.

Adding to 230345520 its reverse (25543032), we get a palindrome (255888552).

The spelling of 230345520 in words is "two hundred thirty million, three hundred forty-five thousand, five hundred twenty".