523340232 has 64 divisors (see below), whose sum is σ = 1349369280. Its totient is φ = 169059072.

The previous prime is 523340231. The next prime is 523340249. The reversal of 523340232 is 232043325.

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 (523340231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103098 + ... + 108054.

It is an arithmetic number, because the mean of its divisors is an integer number (21083895).

Almost surely, 2^523340232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 523340232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674684640).

523340232 is an abundant number, since it is smaller than the sum of its proper divisors (826029048).

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

523340232 is a wasteful number, since it uses less digits than its factorization.

523340232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 523340232 is about 22876.6306959744. The cubic root of 523340232 is about 805.8632930919.

Adding to 523340232 its reverse (232043325), we get a palindrome (755383557).

The spelling of 523340232 in words is "five hundred twenty-three million, three hundred forty thousand, two hundred thirty-two".