1403423042 has 32 divisors (see below), whose sum is σ = 2493331200. Its totient is φ = 579676608.

The previous prime is 1403423003. The next prime is 1403423089. The reversal of 1403423042 is 2403243041.

It is a junction number, because it is equal to n+sod(n) for n = 1403422999 and 1403423017.

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 15 ways as a sum of consecutive naturals, for example, 246059 + ... + 251697.

It is an arithmetic number, because the mean of its divisors is an integer number (77916600).

Almost surely, 2^1403423042 is an apocalyptic number.

1403423042 is a deficient number, since it is larger than the sum of its proper divisors (1089908158).

1403423042 is a wasteful number, since it uses less digits than its factorization.

1403423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1403423042 is about 37462.2882643332. The cubic root of 1403423042 is about 1119.5999426844.

Adding to 1403423042 its reverse (2403243041), we get a palindrome (3806666083).

The spelling of 1403423042 in words is "one billion, four hundred three million, four hundred twenty-three thousand, forty-two".