230406520 has 16 divisors (see below), whose sum is σ = 518414760. Its totient is φ = 92162592.

The previous prime is 230406503. The next prime is 230406541. The reversal of 230406520 is 25604032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 230406491 and 230406500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2880042 + ... + 2880121.

Almost surely, 2^230406520 is an apocalyptic number.

230406520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230406520 is an abundant number, since it is smaller than the sum of its proper divisors (288008240).

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

230406520 is a wasteful number, since it uses less digits than its factorization.

230406520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760174 (or 5760170 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 230406520 is about 15179.1475386466. The cubic root of 230406520 is about 613.0533286583.

The spelling of 230406520 in words is "two hundred thirty million, four hundred six thousand, five hundred twenty".