123401044424 has 16 divisors (see below), whose sum is σ = 264430809600. Its totient is φ = 52886161872.

The previous prime is 123401044399. The next prime is 123401044451. The reversal of 123401044424 is 424440104321.

It is an unprimeable number.

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, 1101794984 + ... + 1101795095.

It is an arithmetic number, because the mean of its divisors is an integer number (16526925600).

Almost surely, 2^123401044424 is an apocalyptic number.

123401044424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123401044424 is an abundant number, since it is smaller than the sum of its proper divisors (141029765176).

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

123401044424 is a wasteful number, since it uses less digits than its factorization.

123401044424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203590092 (or 2203590088 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 123401044424 its reverse (424440104321), we get a palindrome (547841148745).

The spelling of 123401044424 in words is "one hundred twenty-three billion, four hundred one million, forty-four thousand, four hundred twenty-four".