123796940 has 48 divisors (see below), whose sum is σ = 270103680. Its totient is φ = 47604480.

The previous prime is 123796909. The next prime is 123796943. The reversal of 123796940 is 49697321.

It is not an unprimeable number, because it can be changed into a prime (123796943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267149 + ... + 267611.

It is an arithmetic number, because the mean of its divisors is an integer number (5627160).

Almost surely, 2^123796940 is an apocalyptic number.

123796940 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 123796940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135051840).

123796940 is an abundant number, since it is smaller than the sum of its proper divisors (146306740).

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

123796940 is a wasteful number, since it uses less digits than its factorization.

123796940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 123796940 is about 11126.4073267160. The cubic root of 123796940 is about 498.3907461608.

The spelling of 123796940 in words is "one hundred twenty-three million, seven hundred ninety-six thousand, nine hundred forty".