1423344311 has 4 divisors (see below), whose sum is σ = 1423452072. Its totient is φ = 1423236552.

The previous prime is 1423344301. The next prime is 1423344317. The reversal of 1423344311 is 1134433241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423344311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423344317) 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, 30761 + ... + 61586.

It is an arithmetic number, because the mean of its divisors is an integer number (355863018).

Almost surely, 2^1423344311 is an apocalyptic number.

1423344311 is a deficient number, since it is larger than the sum of its proper divisors (107761).

1423344311 is an equidigital number, since it uses as much as digits as its factorization.

1423344311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107760.

The product of its digits is 3456, while the sum is 26.

The square root of 1423344311 is about 37727.2356660278. The cubic root of 1423344311 is about 1124.8725613011.

Adding to 1423344311 its reverse (1134433241), we get a palindrome (2557777552).

The spelling of 1423344311 in words is "one billion, four hundred twenty-three million, three hundred forty-four thousand, three hundred eleven".