1423241321 has 4 divisors (see below), whose sum is σ = 1425541200. Its totient is φ = 1420941444.

The previous prime is 1423241299. The next prime is 1423241353. The reversal of 1423241321 is 1231423241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1423241321 - 2¹⁴ = 1423224937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1423201321) 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, 1149011 + ... + 1150248.

It is an arithmetic number, because the mean of its divisors is an integer number (356385300).

Almost surely, 2^1423241321 is an apocalyptic number.

It is an amenable number.

1423241321 is a deficient number, since it is larger than the sum of its proper divisors (2299879).

1423241321 is an equidigital number, since it uses as much as digits as its factorization.

1423241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299878.

The product of its digits is 1152, while the sum is 23.

The square root of 1423241321 is about 37725.8707122844. The cubic root of 1423241321 is about 1124.8454295620.

Adding to 1423241321 its reverse (1231423241), we get a palindrome (2654664562).

The spelling of 1423241321 in words is "one billion, four hundred twenty-three million, two hundred forty-one thousand, three hundred twenty-one".