1423214321 has 8 divisors (see below), whose sum is σ = 1442273280. Its totient is φ = 1404268992.

The previous prime is 1423214297. The next prime is 1423214333. The reversal of 1423214321 is 1234123241.

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

It is a cyclic number.

It is not a de Polignac number, because 1423214321 - 2²² = 1419020017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423214521) 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, 3041 + ... + 53438.

It is an arithmetic number, because the mean of its divisors is an integer number (180284160).

Almost surely, 2^1423214321 is an apocalyptic number.

It is an amenable number.

1423214321 is a deficient number, since it is larger than the sum of its proper divisors (19058959).

1423214321 is a wasteful number, since it uses less digits than its factorization.

1423214321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56815.

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

The square root of 1423214321 is about 37725.5128659638. The cubic root of 1423214321 is about 1124.8383164514.

Adding to 1423214321 its reverse (1234123241), we get a palindrome (2657337562).

The spelling of 1423214321 in words is "one billion, four hundred twenty-three million, two hundred fourteen thousand, three hundred twenty-one".