1423431211 has 8 divisors (see below), whose sum is σ = 1430992080. Its totient is φ = 1415889312.

The previous prime is 1423431173. The next prime is 1423431239. The reversal of 1423431211 is 1121343241.

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 1423431211 - 2¹⁵ = 1423398443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423431271) 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, 160645 + ... + 169273.

It is an arithmetic number, because the mean of its divisors is an integer number (178874010).

Almost surely, 2^1423431211 is an apocalyptic number.

1423431211 is a deficient number, since it is larger than the sum of its proper divisors (7560869).

1423431211 is an equidigital number, since it uses as much as digits as its factorization.

1423431211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485.

The product of its digits is 576, while the sum is 22.

The square root of 1423431211 is about 37728.3873363281. The cubic root of 1423431211 is about 1124.8954532642.

Adding to 1423431211 its reverse (1121343241), we get a palindrome (2544774452).

The spelling of 1423431211 in words is "one billion, four hundred twenty-three million, four hundred thirty-one thousand, two hundred eleven".