1420323 has 4 divisors (see below), whose sum is σ = 1893768. Its totient is φ = 946880.

The previous prime is 1420303. The next prime is 1420357. The reversal of 1420323 is 3230241.

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 1420323 - 2⁵ = 1420291 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1420303) 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, 236718 + ... + 236723.

It is an arithmetic number, because the mean of its divisors is an integer number (473442).

2^1420323 is an apocalyptic number.

1420323 is a deficient number, since it is larger than the sum of its proper divisors (473445).

1420323 is an equidigital number, since it uses as much as digits as its factorization.

1420323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473444.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1420323 is about 1191.7730488646. The cubic root of 1420323 is about 112.4076080935.

Adding to 1420323 its reverse (3230241), we get a palindrome (4650564).

The spelling of 1420323 in words is "one million, four hundred twenty thousand, three hundred twenty-three".