12312302303 has 4 divisors (see below), whose sum is σ = 14071202640. Its totient is φ = 10553401968.

The previous prime is 12312302297. The next prime is 12312302357. The reversal of 12312302303 is 30320321321.

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 12312302303 - 2⁶ = 12312302239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312302363) 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, 879450158 + ... + 879450171.

It is an arithmetic number, because the mean of its divisors is an integer number (3517800660).

Almost surely, 2^12312302303 is an apocalyptic number.

12312302303 is a deficient number, since it is larger than the sum of its proper divisors (1758900337).

12312302303 is an equidigital number, since it uses as much as digits as its factorization.

12312302303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758900336.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12312302303 its reverse (30320321321), we get a palindrome (42632623624).

The spelling of 12312302303 in words is "twelve billion, three hundred twelve million, three hundred two thousand, three hundred three".