523351242 has 12 divisors (see below), whose sum is σ = 1133927730. Its totient is φ = 174450408.

The previous prime is 523351229. The next prime is 523351243. The reversal of 523351242 is 242153325.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 472671081 + 50680161 = 21741^2 + 7119^2 .

It is not an unprimeable number, because it can be changed into a prime (523351243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14537517 + ... + 14537552.

Almost surely, 2^523351242 is an apocalyptic number.

523351242 is an abundant number, since it is smaller than the sum of its proper divisors (610576488).

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

523351242 is a wasteful number, since it uses less digits than its factorization.

523351242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29075077 (or 29075074 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 523351242 is about 22876.8713332921. The cubic root of 523351242 is about 805.8689442866.

The spelling of 523351242 in words is "five hundred twenty-three million, three hundred fifty-one thousand, two hundred forty-two".