1403423424 has 84 divisors (see below), whose sum is σ = 4332118336. Its totient is φ = 431820288.

The previous prime is 1403423393. The next prime is 1403423443. The reversal of 1403423424 is 4243243041.

It is a happy number.

1403423424 is a `hidden beast` number, since 1 + 403 + 4 + 234 + 24 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86224 + ... + 101199.

Almost surely, 2^1403423424 is an apocalyptic number.

It is an amenable number.

1403423424 is an abundant number, since it is smaller than the sum of its proper divisors (2928694912).

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

1403423424 is a wasteful number, since it uses less digits than its factorization.

1403423424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187454 (or 187441 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1403423424 is about 37462.2933627935. The cubic root of 1403423424 is about 1119.6000442663.

Adding to 1403423424 its reverse (4243243041), we get a palindrome (5646666465).

The spelling of 1403423424 in words is "one billion, four hundred three million, four hundred twenty-three thousand, four hundred twenty-four".