1423311423 has 4 divisors (see below), whose sum is σ = 1897748568. Its totient is φ = 948874280.

The previous prime is 1423311397. The next prime is 1423311431. The reversal of 1423311423 is 3241133241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1423311423 - 2²¹ = 1421214271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423311393 and 1423311402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423311443) 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, 237218568 + ... + 237218573.

It is an arithmetic number, because the mean of its divisors is an integer number (474437142).

Almost surely, 2^1423311423 is an apocalyptic number.

1423311423 is a deficient number, since it is larger than the sum of its proper divisors (474437145).

1423311423 is an equidigital number, since it uses as much as digits as its factorization.

1423311423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474437144.

The product of its digits is 1728, while the sum is 24.

The square root of 1423311423 is about 37726.7997980216. The cubic root of 1423311423 is about 1124.8638974115.

Adding to 1423311423 its reverse (3241133241), we get a palindrome (4664444664).

The spelling of 1423311423 in words is "one billion, four hundred twenty-three million, three hundred eleven thousand, four hundred twenty-three".