123272700 has 72 divisors (see below), whose sum is σ = 363445488. Its totient is φ = 32248320.

The previous prime is 123272693. The next prime is 123272719. The reversal of 123272700 is 7272321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12024 + ... + 19776.

It is an arithmetic number, because the mean of its divisors is an integer number (5047854).

Almost surely, 2^123272700 is an apocalyptic number.

123272700 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 123272700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181722744).

123272700 is an abundant number, since it is smaller than the sum of its proper divisors (240172788).

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

123272700 is a wasteful number, since it uses less digits than its factorization.

123272700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7823 (or 7816 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 123272700 is about 11102.8239651001. The cubic root of 123272700 is about 497.6862429051.

The spelling of 123272700 in words is "one hundred twenty-three million, two hundred seventy-two thousand, seven hundred".