1423311 has 4 divisors (see below), whose sum is σ = 1897752. Its totient is φ = 948872.

The previous prime is 1423307. The next prime is 1423319. The reversal of 1423311 is 1133241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1423311 - 2² = 1423307 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423319) 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, 237216 + ... + 237221.

It is an arithmetic number, because the mean of its divisors is an integer number (474438).

2^1423311 is an apocalyptic number.

1423311 is a deficient number, since it is larger than the sum of its proper divisors (474441).

1423311 is an equidigital number, since it uses as much as digits as its factorization.

1423311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474440.

The product of its digits is 72, while the sum is 15.

The square root of 1423311 is about 1193.0259846290. The cubic root of 1423311 is about 112.4863785977.

Adding to 1423311 its reverse (1133241), we get a palindrome (2556552).

The spelling of 1423311 in words is "one million, four hundred twenty-three thousand, three hundred eleven".