1234042403 has 8 divisors (see below), whose sum is σ = 1346540736. Its totient is φ = 1121596200.

The previous prime is 1234042379. The next prime is 1234042421. The reversal of 1234042403 is 3042404321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1234042403 - 2¹⁴ = 1234026019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1234042493) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49568 + ... + 70178.

It is an arithmetic number, because the mean of its divisors is an integer number (168317592).

Almost surely, 2^1234042403 is an apocalyptic number.

1234042403 is a deficient number, since it is larger than the sum of its proper divisors (112498333).

1234042403 is a wasteful number, since it uses less digits than its factorization.

1234042403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26065.

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

The square root of 1234042403 is about 35128.9396794153. The cubic root of 1234042403 is about 1072.6137524038.

Adding to 1234042403 its reverse (3042404321), we get a palindrome (4276446724).

The spelling of 1234042403 in words is "one billion, two hundred thirty-four million, forty-two thousand, four hundred three".