1423013443 has 4 divisors (see below), whose sum is σ = 1423111248. Its totient is φ = 1422915640.

The previous prime is 1423013413. The next prime is 1423013447. The reversal of 1423013443 is 3443103241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3443103241 = 11681 ⋅294761.

It is a cyclic number.

It is not a de Polignac number, because 1423013443 - 2⁵ = 1423013411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423013447) 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, 22228 + ... + 57793.

It is an arithmetic number, because the mean of its divisors is an integer number (355777812).

Almost surely, 2^1423013443 is an apocalyptic number.

1423013443 is a deficient number, since it is larger than the sum of its proper divisors (97805).

1423013443 is an equidigital number, since it uses as much as digits as its factorization.

1423013443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97804.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1423013443 is about 37722.8504092679. The cubic root of 1423013443 is about 1124.7853926110.

Adding to 1423013443 its reverse (3443103241), we get a palindrome (4866116684).

The spelling of 1423013443 in words is "one billion, four hundred twenty-three million, thirteen thousand, four hundred forty-three".