1420323043 has 4 divisors (see below), whose sum is σ = 1422694800. Its totient is φ = 1417951288.

The previous prime is 1420323041. The next prime is 1420323049. The reversal of 1420323043 is 3403230241.

It is a happy number.

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 1420323043 - 2¹ = 1420323041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420323041) 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, 1184980 + ... + 1186177.

It is an arithmetic number, because the mean of its divisors is an integer number (355673700).

Almost surely, 2^1420323043 is an apocalyptic number.

1420323043 is a deficient number, since it is larger than the sum of its proper divisors (2371757).

1420323043 is an equidigital number, since it uses as much as digits as its factorization.

1420323043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371756.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1420323043 is about 37687.1734546384. The cubic root of 1420323043 is about 1124.0760922786.

Adding to 1420323043 its reverse (3403230241), we get a palindrome (4823553284).

The spelling of 1420323043 in words is "one billion, four hundred twenty million, three hundred twenty-three thousand, forty-three".