123800288700 has 144 divisors (see below), whose sum is σ = 403364183040. Its totient is φ = 29044032000.

The previous prime is 123800288699. The next prime is 123800288707. The reversal of 123800288700 is 7882008321.

It is a super-2 number, since 2×123800288700² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123800288707) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 502785 + ... + 707384.

It is an arithmetic number, because the mean of its divisors is an integer number (2801140160).

Almost surely, 2^123800288700 is an apocalyptic number.

123800288700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123800288700 is an abundant number, since it is smaller than the sum of its proper divisors (279563894340).

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

123800288700 is a wasteful number, since it uses less digits than its factorization.

123800288700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210228 (or 1210221 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 123800288700 in words is "one hundred twenty-three billion, eight hundred million, two hundred eighty-eight thousand, seven hundred".