123326736 has 120 divisors (see below), whose sum is σ = 360530496. Its totient is φ = 36241920.

The previous prime is 123326719. The next prime is 123326743. The reversal of 123326736 is 637623321.

It is a junction number, because it is equal to n+sod(n) for n = 123326697 and 123326706.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186246 + ... + 186906.

Almost surely, 2^123326736 is an apocalyptic number.

123326736 is a gapful number since it is divisible by the number (16) 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 123326736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180265248).

123326736 is an abundant number, since it is smaller than the sum of its proper divisors (237203760).

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

123326736 is a wasteful number, since it uses less digits than its factorization.

123326736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 702 counting only the distinct ones).

The product of its digits is 27216, while the sum is 33.

The square root of 123326736 is about 11105.2571334481. The cubic root of 123326736 is about 497.7589517457.

The spelling of 123326736 in words is "one hundred twenty-three million, three hundred twenty-six thousand, seven hundred thirty-six".