123159870790 has 16 divisors (see below), whose sum is σ = 241841201040. Its totient is φ = 44785407520.

The previous prime is 123159870787. The next prime is 123159870817. The reversal of 123159870790 is 97078951321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559817485 + ... + 559817704.

It is an arithmetic number, because the mean of its divisors is an integer number (15115075065).

Almost surely, 2^123159870790 is an apocalyptic number.

123159870790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123159870790 is a deficient number, since it is larger than the sum of its proper divisors (118681330250).

123159870790 is a wasteful number, since it uses less digits than its factorization.

123159870790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119635207.

The product of its (nonzero) digits is 952560, while the sum is 52.

The spelling of 123159870790 in words is "one hundred twenty-three billion, one hundred fifty-nine million, eight hundred seventy thousand, seven hundred ninety".