523831412 has 24 divisors (see below), whose sum is σ = 987976416. Its totient is φ = 241583328.

The previous prime is 523831391. The next prime is 523831423. The reversal of 523831412 is 214138325.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83663 + ... + 89705.

It is an arithmetic number, because the mean of its divisors is an integer number (41165684).

Almost surely, 2^523831412 is an apocalyptic number.

523831412 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

523831412 is a deficient number, since it is larger than the sum of its proper divisors (464145004).

523831412 is a wasteful number, since it uses less digits than its factorization.

523831412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727 (or 7725 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 523831412 is about 22887.3635877967. The cubic root of 523831412 is about 806.1153280902.

Adding to 523831412 its reverse (214138325), we get a palindrome (737969737).

The spelling of 523831412 in words is "five hundred twenty-three million, eight hundred thirty-one thousand, four hundred twelve".