230013520 has 40 divisors (see below), whose sum is σ = 583400160. Its totient is φ = 83640960.

The previous prime is 230013499. The next prime is 230013557. The reversal of 230013520 is 25310032.

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 (16).

It is a junction number, because it is equal to n+sod(n) for n = 230013494 and 230013503.

It is a congruent number.

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, 129810 + ... + 131569.

It is an arithmetic number, because the mean of its divisors is an integer number (14585004).

Almost surely, 2^230013520 is an apocalyptic number.

230013520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230013520 is an abundant number, since it is smaller than the sum of its proper divisors (353386640).

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

230013520 is a wasteful number, since it uses less digits than its factorization.

230013520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261403 (or 261397 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 230013520 is about 15166.1966227529. The cubic root of 230013520 is about 612.7045725101.

Adding to 230013520 its reverse (25310032), we get a palindrome (255323552).

The spelling of 230013520 in words is "two hundred thirty million, thirteen thousand, five hundred twenty".