123424504 has 16 divisors (see below), whose sum is σ = 264481200. Its totient is φ = 52896192.

The previous prime is 123424501. The next prime is 123424529. The reversal of 123424504 is 405424321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123424501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101949 + ... + 1102060.

It is an arithmetic number, because the mean of its divisors is an integer number (16530075).

Almost surely, 2^123424504 is an apocalyptic number.

123424504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123424504 is an abundant number, since it is smaller than the sum of its proper divisors (141056696).

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

123424504 is a wasteful number, since it uses less digits than its factorization.

123424504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204022 (or 2204018 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 123424504 is about 11109.6581405550. The cubic root of 123424504 is about 497.8904507881.

Adding to 123424504 its reverse (405424321), we get a palindrome (528848825).

The spelling of 123424504 in words is "one hundred twenty-three million, four hundred twenty-four thousand, five hundred four".