523065666703372 has 36 divisors (see below), whose sum is σ = 991723166749560. Its totient is φ = 241286030399232.

The previous prime is 523065666703211. The next prime is 523065666703381. The reversal of 523065666703372 is 273307666560325.

It is a self number, because there is not a number n which added to its sum of digits gives 523065666703372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205291722 + ... + 207824017.

Almost surely, 2^{523065666703372} is an apocalyptic number.

523065666703372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

523065666703372 is a deficient number, since it is larger than the sum of its proper divisors (468657500046188).

523065666703372 is a wasteful number, since it uses less digits than its factorization.

523065666703372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413117642 (or 413117627 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 61.

The spelling of 523065666703372 in words is "five hundred twenty-three trillion, sixty-five billion, six hundred sixty-six million, seven hundred three thousand, three hundred seventy-two".