123120193404 has 48 divisors (see below), whose sum is σ = 309401098272. Its totient is φ = 37880424192.

The previous prime is 123120193387. The next prime is 123120193411. The reversal of 123120193404 is 404391021321.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3923842 + ... + 3955094.

It is an arithmetic number, because the mean of its divisors is an integer number (6445856214).

Almost surely, 2^123120193404 is an apocalyptic number.

It is an amenable number.

123120193404 is an abundant number, since it is smaller than the sum of its proper divisors (186280904868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123120193404 is a wasteful number, since it uses less digits than its factorization.

123120193404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56526 (or 56524 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 123120193404 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred ninety-three thousand, four hundred four".