1303420323 has 4 divisors (see below), whose sum is σ = 1737893768. Its totient is φ = 868946880.

The previous prime is 1303420291. The next prime is 1303420333. The reversal of 1303420323 is 3230243031.

1303420323 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1303420323 - 2⁵ = 1303420291 is a prime.

It is a super-3 number, since 3×1303420323³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1303420323.

It is not an unprimeable number, because it can be changed into a prime (1303420333) 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, 217236718 + ... + 217236723.

It is an arithmetic number, because the mean of its divisors is an integer number (434473442).

Almost surely, 2^1303420323 is an apocalyptic number.

1303420323 is a deficient number, since it is larger than the sum of its proper divisors (434473445).

1303420323 is an equidigital number, since it uses as much as digits as its factorization.

1303420323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434473444.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1303420323 is about 36102.9129434177. The cubic root of 1303420323 is about 1092.3492028476.

Adding to 1303420323 its reverse (3230243031), we get a palindrome (4533663354).

The spelling of 1303420323 in words is "one billion, three hundred three million, four hundred twenty thousand, three hundred twenty-three".