1321044423 has 8 divisors (see below), whose sum is σ = 1761624048. Its totient is φ = 880580544.

The previous prime is 1321044391. The next prime is 1321044481. The reversal of 1321044423 is 3244401231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1321044423 - 2⁵ = 1321044391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1321044393 and 1321044402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321084423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2611 + ... + 51467.

It is an arithmetic number, because the mean of its divisors is an integer number (220203006).

Almost surely, 2^1321044423 is an apocalyptic number.

1321044423 is a deficient number, since it is larger than the sum of its proper divisors (440579625).

1321044423 is an equidigital number, since it uses as much as digits as its factorization.

1321044423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57873.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1321044423 is about 36346.1748056106. The cubic root of 1321044423 is about 1097.2505502813.

Adding to 1321044423 its reverse (3244401231), we get a palindrome (4565445654).

The spelling of 1321044423 in words is "one billion, three hundred twenty-one million, forty-four thousand, four hundred twenty-three".