123320296 has 96 divisors (see below), whose sum is σ = 275788800. Its totient is φ = 51497600.

The previous prime is 123320257. The next prime is 123320303. The reversal of 123320296 is 692023321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645561 + ... + 645751.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^123320296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123320296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137894400).

123320296 is an abundant number, since it is smaller than the sum of its proper divisors (152468504).

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

123320296 is a wasteful number, since it uses less digits than its factorization.

123320296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 123320296 is about 11104.9671768988. The cubic root of 123320296 is about 497.7502874351.

The spelling of 123320296 in words is "one hundred twenty-three million, three hundred twenty thousand, two hundred ninety-six".