230690520 has 96 divisors (see below), whose sum is σ = 753545520. Its totient is φ = 61205760.

The previous prime is 230690519. The next prime is 230690569. The reversal of 230690520 is 25096032.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74442 + ... + 77478.

Almost surely, 2^230690520 is an apocalyptic number.

230690520 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 230690520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376772760).

230690520 is an abundant number, since it is smaller than the sum of its proper divisors (522855000).

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

230690520 is a wasteful number, since it uses less digits than its factorization.

230690520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 3258 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 230690520 is about 15188.4995967344. The cubic root of 230690520 is about 613.3051092347.

The spelling of 230690520 in words is "two hundred thirty million, six hundred ninety thousand, five hundred twenty".