123320300 has 36 divisors (see below), whose sum is σ = 268993200. Its totient is φ = 49072320.

The previous prime is 123320257. The next prime is 123320303. The reversal of 123320300 is 3023321.

123320300 = T₁₀₉ + T₁₁₀ + ... + T₉₀₄.

It is not an unprimeable number, because it can be changed into a prime (123320303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16802 + ... + 22998.

Almost surely, 2^123320300 is an apocalyptic number.

123320300 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 123320300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134496600).

123320300 is an abundant number, since it is smaller than the sum of its proper divisors (145672900).

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

123320300 is a wasteful number, since it uses less digits than its factorization.

123320300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6410 (or 6403 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 123320300 is about 11104.9673569984. The cubic root of 123320300 is about 497.7502928168.

Adding to 123320300 its reverse (3023321), we get a palindrome (126343621).

The spelling of 123320300 in words is "one hundred twenty-three million, three hundred twenty thousand, three hundred".