123339216 has 320 divisors, whose sum is σ = 455970816. Its totient is φ = 27648000.

The previous prime is 123339211. The next prime is 123339217. The reversal of 123339216 is 612933321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123339211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 816741 + ... + 816891.

Almost surely, 2^123339216 is an apocalyptic number.

123339216 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 123339216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227985408).

123339216 is an abundant number, since it is smaller than the sum of its proper divisors (332631600).

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

123339216 is a wasteful number, since it uses less digits than its factorization.

123339216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 204 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 123339216 is about 11105.8190152730. The cubic root of 123339216 is about 497.7757413524.

The spelling of 123339216 in words is "one hundred twenty-three million, three hundred thirty-nine thousand, two hundred sixteen".