523031542 has 8 divisors (see below), whose sum is σ = 855869832. Its totient is φ = 237741600.

The previous prime is 523031533. The next prime is 523031567. The reversal of 523031542 is 245130325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11887059 + ... + 11887102.

It is an arithmetic number, because the mean of its divisors is an integer number (106983729).

Almost surely, 2^523031542 is an apocalyptic number.

523031542 is a deficient number, since it is larger than the sum of its proper divisors (332838290).

523031542 is a wasteful number, since it uses less digits than its factorization.

523031542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23774174.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 523031542 is about 22869.8828593415. The cubic root of 523031542 is about 805.7048169221.

Adding to 523031542 its reverse (245130325), we get a palindrome (768161867).

The spelling of 523031542 in words is "five hundred twenty-three million, thirty-one thousand, five hundred forty-two".