523115219347 has 48 divisors (see below), whose sum is σ = 657599679360. Its totient is φ = 413379977472.

The previous prime is 523115219329. The next prime is 523115219359. The reversal of 523115219347 is 743912511325.

It is a de Polignac number, because none of the positive numbers 2^k-523115219347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523115219647) 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 47 ways as a sum of consecutive naturals, for example, 9963988 + ... + 10016350.

It is an arithmetic number, because the mean of its divisors is an integer number (13699993320).

Almost surely, 2^523115219347 is an apocalyptic number.

523115219347 is a deficient number, since it is larger than the sum of its proper divisors (134484460013).

523115219347 is a wasteful number, since it uses less digits than its factorization.

523115219347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52640 (or 52633 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The spelling of 523115219347 in words is "five hundred twenty-three billion, one hundred fifteen million, two hundred nineteen thousand, three hundred forty-seven".