1423403103 has 4 divisors (see below), whose sum is σ = 1897870808. Its totient is φ = 948935400.

The previous prime is 1423403089. The next prime is 1423403147. The reversal of 1423403103 is 3013043241.

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

It is not a de Polignac number, because 1423403103 - 2⁴ = 1423403087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423403103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423403803) 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, 237233848 + ... + 237233853.

It is an arithmetic number, because the mean of its divisors is an integer number (474467702).

Almost surely, 2^1423403103 is an apocalyptic number.

1423403103 is a deficient number, since it is larger than the sum of its proper divisors (474467705).

1423403103 is an equidigital number, since it uses as much as digits as its factorization.

1423403103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474467704.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1423403103 is about 37728.0148298317. The cubic root of 1423403103 is about 1124.8880489093. Note that the first 3 decimals are identical.

Adding to 1423403103 its reverse (3013043241), we get a palindrome (4436446344).

The spelling of 1423403103 in words is "one billion, four hundred twenty-three million, four hundred three thousand, one hundred three".