123620200 has 96 divisors (see below), whose sum is σ = 317792160. Its totient is φ = 44345600.

The previous prime is 123620197. The next prime is 123620249. The reversal of 123620200 is 2026321.

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, 182262 + ... + 182938.

It is an arithmetic number, because the mean of its divisors is an integer number (3310335).

Almost surely, 2^123620200 is an apocalyptic number.

123620200 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 123620200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158896080).

123620200 is an abundant number, since it is smaller than the sum of its proper divisors (194171960).

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

123620200 is a wasteful number, since it uses less digits than its factorization.

123620200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123620200 is about 11118.4621238731. The cubic root of 123620200 is about 498.1534556092.

Adding to 123620200 its reverse (2026321), we get a palindrome (125646521).

The spelling of 123620200 in words is "one hundred twenty-three million, six hundred twenty thousand, two hundred".