123424004200 has 96 divisors (see below), whose sum is σ = 328296576960. Its totient is φ = 42272755200.

The previous prime is 123424004177. The next prime is 123424004213. The reversal of 123424004200 is 2400424321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1314004 + ... + 1404796.

It is an arithmetic number, because the mean of its divisors is an integer number (3419756010).

Almost surely, 2^123424004200 is an apocalyptic number.

123424004200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123424004200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164148288480).

123424004200 is an abundant number, since it is smaller than the sum of its proper divisors (204872572760).

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

123424004200 is a wasteful number, since it uses less digits than its factorization.

123424004200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91787 (or 91778 counting only the distinct ones).

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

Adding to 123424004200 its reverse (2400424321), we get a palindrome (125824428521).

The spelling of 123424004200 in words is "one hundred twenty-three billion, four hundred twenty-four million, four thousand, two hundred".