123420200 has 48 divisors (see below), whose sum is σ = 302064000. Its totient is φ = 46768320.

The previous prime is 123420173. The next prime is 123420203. The reversal of 123420200 is 2024321.

It is not an unprimeable number, because it can be changed into a prime (123420203) 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, 12440 + ... + 20039.

It is an arithmetic number, because the mean of its divisors is an integer number (6293000).

Almost surely, 2^123420200 is an apocalyptic number.

123420200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123420200 is an abundant number, since it is smaller than the sum of its proper divisors (178643800).

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

123420200 is a wasteful number, since it uses less digits than its factorization.

123420200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32514 (or 32505 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 123420200 is about 11109.4644335359. The cubic root of 123420200 is about 497.8846633220.

Adding to 123420200 its reverse (2024321), we get a palindrome (125444521).

The spelling of 123420200 in words is "one hundred twenty-three million, four hundred twenty thousand, two hundred".