123604944563 has 8 divisors (see below), whose sum is σ = 124900831440. Its totient is φ = 122309498880.

The previous prime is 123604944523. The next prime is 123604944569. The reversal of 123604944563 is 365449406321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123604944563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123604944569) 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, 468803 + ... + 683363.

It is an arithmetic number, because the mean of its divisors is an integer number (15612603930).

Almost surely, 2^123604944563 is an apocalyptic number.

123604944563 is a deficient number, since it is larger than the sum of its proper divisors (1295886877).

123604944563 is an equidigital number, since it uses as much as digits as its factorization.

123604944563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220597.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 123604944563 in words is "one hundred twenty-three billion, six hundred four million, nine hundred forty-four thousand, five hundred sixty-three".