634264650000523 has 4 divisors (see below), whose sum is σ = 634265575234200. Its totient is φ = 634263724766848.

The previous prime is 634264650000497. The next prime is 634264650000547. The reversal of 634264650000523 is 325000056462436.

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

It is a cyclic number.

It is not a de Polignac number, because 634264650000523 - 2⁵ = 634264650000491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634264650006523) 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, 461587798 + ... + 462959851.

It is an arithmetic number, because the mean of its divisors is an integer number (158566393808550).

Almost surely, 2^{634264650000523} is an apocalyptic number.

634264650000523 is a deficient number, since it is larger than the sum of its proper divisors (925233677).

634264650000523 is an equidigital number, since it uses as much as digits as its factorization.

634264650000523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925233676.

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 634264650000523 in words is "six hundred thirty-four trillion, two hundred sixty-four billion, six hundred fifty million, five hundred twenty-three", and thus it is an aban number.