123298200 has 288 divisors, whose sum is σ = 446846400. Its totient is φ = 31570560.

The previous prime is 123298199. The next prime is 123298213. The reversal of 123298200 is 2892321.

It is a happy number.

It is a super-2 number, since 2×123298200² = 30404892246480000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2089771 + ... + 2089829.

It is an arithmetic number, because the mean of its divisors is an integer number (1551550).

Almost surely, 2^123298200 is an apocalyptic number.

123298200 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 123298200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223423200).

123298200 is an abundant number, since it is smaller than the sum of its proper divisors (323548200).

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

123298200 is a wasteful number, since it uses less digits than its factorization.

123298200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 123298200 is about 11103.9722622132. The cubic root of 123298200 is about 497.7205574078.

The spelling of 123298200 in words is "one hundred twenty-three million, two hundred ninety-eight thousand, two hundred".