123712371590 has 16 divisors (see below), whose sum is σ = 222702019488. Its totient is φ = 49480559616.

The previous prime is 123712371589. The next prime is 123712371611. The reversal of 123712371590 is 95173217321.

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, 429002 + ... + 656861.

It is an arithmetic number, because the mean of its divisors is an integer number (13918876218).

Almost surely, 2^123712371590 is an apocalyptic number.

123712371590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123712371590 is a deficient number, since it is larger than the sum of its proper divisors (98989647898).

123712371590 is a wasteful number, since it uses less digits than its factorization.

123712371590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097263.

The product of its (nonzero) digits is 79380, while the sum is 41.

The spelling of 123712371590 in words is "one hundred twenty-three billion, seven hundred twelve million, three hundred seventy-one thousand, five hundred ninety".