123828700 has 36 divisors (see below), whose sum is σ = 282855160. Its totient is φ = 46923840.

The previous prime is 123828671. The next prime is 123828701. The reversal of 123828700 is 7828321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123828701) 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, 30687 + ... + 34486.

Almost surely, 2^123828700 is an apocalyptic number.

123828700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123828700 is an abundant number, since it is smaller than the sum of its proper divisors (159026460).

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

123828700 is a wasteful number, since it uses less digits than its factorization.

123828700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65206 (or 65199 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 123828700 is about 11127.8344703720. The cubic root of 123828700 is about 498.4333630910.

The spelling of 123828700 in words is "one hundred twenty-three million, eight hundred twenty-eight thousand, seven hundred".