123280932 has 48 divisors (see below), whose sum is σ = 297142272. Its totient is φ = 39755520.

The previous prime is 123280901. The next prime is 123280933. The reversal of 123280932 is 239082321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123280932.

It is not an unprimeable number, because it can be changed into a prime (123280933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61498 + ... + 63470.

It is an arithmetic number, because the mean of its divisors is an integer number (6190464).

Almost surely, 2^123280932 is an apocalyptic number.

123280932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123280932 is an abundant number, since it is smaller than the sum of its proper divisors (173861340).

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

123280932 is a wasteful number, since it uses less digits than its factorization.

123280932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 123280932 is about 11103.1946754076. The cubic root of 123280932 is about 497.6973209512.

It can be divided in two parts, 12328093 and 2, that added together give a triangular number (12328095 = T₄₉₆₅).

The spelling of 123280932 in words is "one hundred twenty-three million, two hundred eighty thousand, nine hundred thirty-two".