234712520 has 64 divisors (see below), whose sum is σ = 611867520. Its totient is φ = 79363584.

The previous prime is 234712483. The next prime is 234712531. The reversal of 234712520 is 25217432.

It is a self number, because there is not a number n which added to its sum of digits gives 234712520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14699 + ... + 26181.

It is an arithmetic number, because the mean of its divisors is an integer number (9560430).

Almost surely, 2^234712520 is an apocalyptic number.

234712520 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 234712520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305933760).

234712520 is an abundant number, since it is smaller than the sum of its proper divisors (377155000).

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

234712520 is a wasteful number, since it uses less digits than its factorization.

234712520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11574 (or 11570 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 234712520 is about 15320.3302836460. The cubic root of 234712520 is about 616.8488396119.

Adding to 234712520 its reverse (25217432), we get a palindrome (259929952).

The spelling of 234712520 in words is "two hundred thirty-four million, seven hundred twelve thousand, five hundred twenty".