523966372 has 24 divisors (see below), whose sum is σ = 922737816. Its totient is φ = 260333568.

The previous prime is 523966357. The next prime is 523966409. The reversal of 523966372 is 273669325.

It can be written as a sum of positive squares in 4 ways, for example, as 71808676 + 452157696 = 8474^2 + 21264^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610968 + ... + 611824.

It is an arithmetic number, because the mean of its divisors is an integer number (38447409).

Almost surely, 2^523966372 is an apocalyptic number.

It is an amenable number.

523966372 is a deficient number, since it is larger than the sum of its proper divisors (398771444).

523966372 is a wasteful number, since it uses less digits than its factorization.

523966372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1645 counting only the distinct ones).

The product of its digits is 408240, while the sum is 43.

The square root of 523966372 is about 22890.3117497338. The cubic root of 523966372 is about 806.1845513685.

The spelling of 523966372 in words is "five hundred twenty-three million, nine hundred sixty-six thousand, three hundred seventy-two".