1442423603 has 4 divisors (see below), whose sum is σ = 1448778120. Its totient is φ = 1436069088.

The previous prime is 1442423581. The next prime is 1442423669. The reversal of 1442423603 is 3063242441.

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-1442423603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442423683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176918 + ... + 3177371.

It is an arithmetic number, because the mean of its divisors is an integer number (362194530).

Almost surely, 2^1442423603 is an apocalyptic number.

1442423603 is a deficient number, since it is larger than the sum of its proper divisors (6354517).

1442423603 is an equidigital number, since it uses as much as digits as its factorization.

1442423603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354516.

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

The square root of 1442423603 is about 37979.2522701540. The cubic root of 1442423603 is about 1129.8764067190.

The spelling of 1442423603 in words is "one billion, four hundred forty-two million, four hundred twenty-three thousand, six hundred three".