123993917594 has 16 divisors (see below), whose sum is σ = 191027857896. Its totient is φ = 60318144000.

The previous prime is 123993917561. The next prime is 123993917611. The reversal of 123993917594 is 495719399321.

123993917594 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 59255730625 + 64738186969 = 243425^2 + 254437^2 .

It is a super-3 number, since 3×123993917594³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1942994 + ... + 2005794.

Almost surely, 2^123993917594 is an apocalyptic number.

123993917594 is a deficient number, since it is larger than the sum of its proper divisors (67033940302).

123993917594 is a wasteful number, since it uses less digits than its factorization.

123993917594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89521.

The product of its digits is 16533720, while the sum is 62.

The spelling of 123993917594 in words is "one hundred twenty-three billion, nine hundred ninety-three million, nine hundred seventeen thousand, five hundred ninety-four".