123403132424 has 64 divisors (see below), whose sum is σ = 275107371840. Its totient is φ = 51153672960.

The previous prime is 123403132373. The next prime is 123403132429. The reversal of 123403132424 is 424231304321.

It is not an unprimeable number, because it can be changed into a prime (123403132429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554867 + ... + 744770.

It is an arithmetic number, because the mean of its divisors is an integer number (4298552685).

Almost surely, 2^123403132424 is an apocalyptic number.

It is an amenable number.

123403132424 is an abundant number, since it is smaller than the sum of its proper divisors (151704239416).

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

123403132424 is a wasteful number, since it uses less digits than its factorization.

123403132424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299750 (or 1299746 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 123403132424 its reverse (424231304321), we get a palindrome (547634436745).

The spelling of 123403132424 in words is "one hundred twenty-three billion, four hundred three million, one hundred thirty-two thousand, four hundred twenty-four".