1421113323 has 16 divisors (see below), whose sum is σ = 2166070016. Its totient is φ = 811853280.

The previous prime is 1421113313. The next prime is 1421113339. The reversal of 1421113323 is 3233111241.

It is not a de Polignac number, because 1421113323 - 2¹² = 1421109227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 1421113323.

It is not an unprimeable number, because it can be changed into a prime (1421113313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112728 + ... + 124698.

It is an arithmetic number, because the mean of its divisors is an integer number (135379376).

Almost surely, 2^1421113323 is an apocalyptic number.

1421113323 is a deficient number, since it is larger than the sum of its proper divisors (744956693).

1421113323 is a wasteful number, since it uses less digits than its factorization.

1421113323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17634.

The product of its digits is 432, while the sum is 21.

The square root of 1421113323 is about 37697.6567308898. The cubic root of 1421113323 is about 1124.2845355034.

Adding to 1421113323 its reverse (3233111241), we get a palindrome (4654224564).

The spelling of 1421113323 in words is "one billion, four hundred twenty-one million, one hundred thirteen thousand, three hundred twenty-three".