1423234303 has 4 divisors (see below), whose sum is σ = 1430608768. Its totient is φ = 1415859840.

The previous prime is 1423234291. The next prime is 1423234361. The reversal of 1423234303 is 3034323241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423234303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423234103) 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 3 ways as a sum of consecutive naturals, for example, 3686943 + ... + 3687328.

It is an arithmetic number, because the mean of its divisors is an integer number (357652192).

Almost surely, 2^1423234303 is an apocalyptic number.

1423234303 is a deficient number, since it is larger than the sum of its proper divisors (7374465).

1423234303 is an equidigital number, since it uses as much as digits as its factorization.

1423234303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7374464.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 1423234303 is about 37725.7776990747. Note that the first 3 decimals coincide. The cubic root of 1423234303 is about 1124.8435806888.

Adding to 1423234303 its reverse (3034323241), we get a palindrome (4457557544).

The spelling of 1423234303 in words is "one billion, four hundred twenty-three million, two hundred thirty-four thousand, three hundred three".