123424000024 has 64 divisors (see below), whose sum is σ = 255552302880. Its totient is φ = 55520640000.

The previous prime is 123423999973. The next prime is 123424000031. The reversal of 123424000024 is 420000424321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 123423999959 and 123424000004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4467694 + ... + 4495234.

Almost surely, 2^123424000024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123424000024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127776151440).

123424000024 is an abundant number, since it is smaller than the sum of its proper divisors (132128302856).

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

123424000024 is a wasteful number, since it uses less digits than its factorization.

123424000024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28652 (or 28648 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 123424000024 its reverse (420000424321), we get a palindrome (543424424345).

The spelling of 123424000024 in words is "one hundred twenty-three billion, four hundred twenty-four million, twenty-four", and thus it is an aban number.