123424512 has 36 divisors (see below), whose sum is σ = 328491240. Its totient is φ = 41141248.

The previous prime is 123424501. The next prime is 123424529. The reversal of 123424512 is 215424321.

It is a super-2 number, since 2×123424512² = 30467220324876288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 79587 + ... + 81122.

Almost surely, 2^123424512 is an apocalyptic number.

123424512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123424512 is an abundant number, since it is smaller than the sum of its proper divisors (205066728).

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

123424512 is an equidigital number, since it uses as much as digits as its factorization.

123424512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160728 (or 160714 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 123424512 is about 11109.6585006021. The cubic root of 123424512 is about 497.8904615454.

Adding to 123424512 its reverse (215424321), we get a palindrome (338848833).

The spelling of 123424512 in words is "one hundred twenty-three million, four hundred twenty-four thousand, five hundred twelve".