523423612 has 12 divisors (see below), whose sum is σ = 925061256. Its totient is φ = 259120400.

The previous prime is 523423597. The next prime is 523423613. The reversal of 523423612 is 216324325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523423613) by changing a digit.

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, 647398 + ... + 648205.

It is an arithmetic number, because the mean of its divisors is an integer number (77088438).

Almost surely, 2^523423612 is an apocalyptic number.

It is an amenable number.

523423612 is a deficient number, since it is larger than the sum of its proper divisors (401637644).

523423612 is a wasteful number, since it uses less digits than its factorization.

523423612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295708 (or 1295706 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 523423612 is about 22878.4530071419. The cubic root of 523423612 is about 805.9060882687.

Adding to 523423612 its reverse (216324325), we get a palindrome (739747937).

The spelling of 523423612 in words is "five hundred twenty-three million, four hundred twenty-three thousand, six hundred twelve".