123615082935940 has 96 divisors (see below), whose sum is σ = 278900162150400. Its totient is φ = 45854480394240.

The previous prime is 123615082935881. The next prime is 123615082935941. The reversal of 123615082935940 is 49539280516321.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (123615082935941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38755581 + ... + 41823739.

It is an arithmetic number, because the mean of its divisors is an integer number (2905210022400).

Almost surely, 2^{123615082935940} is an apocalyptic number.

123615082935940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123615082935940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139450081075200).

123615082935940 is an abundant number, since it is smaller than the sum of its proper divisors (155285079214460).

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

123615082935940 is a wasteful number, since it uses less digits than its factorization.

123615082935940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069925 (or 3069923 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 58.

The spelling of 123615082935940 in words is "one hundred twenty-three trillion, six hundred fifteen billion, eighty-two million, nine hundred thirty-five thousand, nine hundred forty".