123324420 has 48 divisors (see below), whose sum is σ = 345885120. Its totient is φ = 32831616.

The previous prime is 123324401. The next prime is 123324427. The reversal of 123324420 is 24423321.

It is not an unprimeable number, because it can be changed into a prime (123324427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45051 + ... + 47709.

It is an arithmetic number, because the mean of its divisors is an integer number (7205940).

Almost surely, 2^123324420 is an apocalyptic number.

123324420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123324420 is an abundant number, since it is smaller than the sum of its proper divisors (222560700).

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

123324420 is a wasteful number, since it uses less digits than its factorization.

123324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 123324420 is about 11105.1528580205. The cubic root of 123324420 is about 497.7558358576.

Adding to 123324420 its reverse (24423321), we get a palindrome (147747741).

The spelling of 123324420 in words is "one hundred twenty-three million, three hundred twenty-four thousand, four hundred twenty".