1423323211 has 4 divisors (see below), whose sum is σ = 1423854432. Its totient is φ = 1422791992.

The previous prime is 1423323203. The next prime is 1423323217. The reversal of 1423323211 is 1123233241.

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 1423323211 - 2³ = 1423323203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423323217) 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, 261571 + ... + 266956.

It is an arithmetic number, because the mean of its divisors is an integer number (355963608).

Almost surely, 2^1423323211 is an apocalyptic number.

1423323211 is a deficient number, since it is larger than the sum of its proper divisors (531221).

1423323211 is an equidigital number, since it uses as much as digits as its factorization.

1423323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531220.

The product of its digits is 864, while the sum is 22.

The square root of 1423323211 is about 37726.9560261625. The cubic root of 1423323211 is about 1124.8670028127.

Adding to 1423323211 its reverse (1123233241), we get a palindrome (2546556452).

The spelling of 1423323211 in words is "one billion, four hundred twenty-three million, three hundred twenty-three thousand, two hundred eleven".