523583999999 has 4 divisors (see below), whose sum is σ = 535760372136. Its totient is φ = 511407627864.

The previous prime is 523583999993. The next prime is 523584000001. The reversal of 523583999999 is 999999385325.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-523583999999 is a prime.

It is a Duffinian number.

523583999999 is a modest number, since divided by 999999 gives 523583 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523583999993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6088186004 + ... + 6088186089.

It is an arithmetic number, because the mean of its divisors is an integer number (133940093034).

Almost surely, 2^523583999999 is an apocalyptic number.

523583999999 is a deficient number, since it is larger than the sum of its proper divisors (12176372137).

523583999999 is a wasteful number, since it uses less digits than its factorization.

523583999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12176372136.

The product of its digits is 1913187600, while the sum is 80.

The spelling of 523583999999 in words is "five hundred twenty-three billion, five hundred eighty-three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".