63315621323 has 8 divisors (see below), whose sum is σ = 68346698400. Its totient is φ = 58474396288.

The previous prime is 63315621301. The next prime is 63315621331. The reversal of 63315621323 is 32312651336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-63315621323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63315921323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47462318 + ... + 47463651.

It is an arithmetic number, because the mean of its divisors is an integer number (8543337300).

Almost surely, 2^63315621323 is an apocalyptic number.

63315621323 is a deficient number, since it is larger than the sum of its proper divisors (5031077077).

63315621323 is a wasteful number, since it uses less digits than its factorization.

63315621323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94926021.

The product of its digits is 58320, while the sum is 35.

The spelling of 63315621323 in words is "sixty-three billion, three hundred fifteen million, six hundred twenty-one thousand, three hundred twenty-three".