1423321113 has 32 divisors (see below), whose sum is σ = 1986158592. Its totient is φ = 905889600.

The previous prime is 1423321091. The next prime is 1423321139. The reversal of 1423321113 is 3111233241.

It is not a de Polignac number, because 1423321113 - 2⁹ = 1423320601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1423321113.

It is not an unprimeable number, because it can be changed into a prime (1423320113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1502506 + ... + 1503452.

It is an arithmetic number, because the mean of its divisors is an integer number (62067456).

Almost surely, 2^1423321113 is an apocalyptic number.

It is an amenable number.

1423321113 is a deficient number, since it is larger than the sum of its proper divisors (562837479).

1423321113 is a wasteful number, since it uses less digits than its factorization.

1423321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

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

The square root of 1423321113 is about 37726.9282210996. The cubic root of 1423321113 is about 1124.8664501221.

Adding to 1423321113 its reverse (3111233241), we get a palindrome (4534554354).

The spelling of 1423321113 in words is "one billion, four hundred twenty-three million, three hundred twenty-one thousand, one hundred thirteen".