523015242 has 16 divisors (see below), whose sum is σ = 1101084960. Its totient is φ = 165162672.

The previous prime is 523015237. The next prime is 523015243. The reversal of 523015242 is 242510325.

It is not an unprimeable number, because it can be changed into a prime (523015243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293813 + ... + 2294040.

It is an arithmetic number, because the mean of its divisors is an integer number (68817810).

Almost surely, 2^523015242 is an apocalyptic number.

523015242 is an abundant number, since it is smaller than the sum of its proper divisors (578069718).

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

523015242 is a wasteful number, since it uses less digits than its factorization.

523015242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587877.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 523015242 is about 22869.5264926933. The cubic root of 523015242 is about 805.6964470477.

Adding to 523015242 its reverse (242510325), we get a palindrome (765525567).

The spelling of 523015242 in words is "five hundred twenty-three million, fifteen thousand, two hundred forty-two".