12320322303 has 4 divisors (see below), whose sum is σ = 16427096408. Its totient is φ = 8213548200.

The previous prime is 12320322251. The next prime is 12320322307. The reversal of 12320322303 is 30322302321.

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

It is not a de Polignac number, because 12320322303 - 2³⁰ = 11246580479 is a prime.

It is a super-3 number, since 3×12320322303³ (a number of 31 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 12320322303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320322307) 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, 2053387048 + ... + 2053387053.

It is an arithmetic number, because the mean of its divisors is an integer number (4106774102).

Almost surely, 2^12320322303 is an apocalyptic number.

12320322303 is a deficient number, since it is larger than the sum of its proper divisors (4106774105).

12320322303 is an equidigital number, since it uses as much as digits as its factorization.

12320322303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106774104.

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

Adding to 12320322303 its reverse (30322302321), we get a palindrome (42642624624).

The spelling of 12320322303 in words is "twelve billion, three hundred twenty million, three hundred twenty-two thousand, three hundred three".