12303123311 has 2 divisors, whose sum is σ = 12303123312. Its totient is φ = 12303123310.

The previous prime is 12303123281. The next prime is 12303123337. The reversal of 12303123311 is 11332130321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12303123311 - 2⁶ = 12303123247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12303123341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151561655 + 6151561656.

It is an arithmetic number, because the mean of its divisors is an integer number (6151561656).

Almost surely, 2^12303123311 is an apocalyptic number.

12303123311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12303123311 is an equidigital number, since it uses as much as digits as its factorization.

12303123311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12303123311 its reverse (11332130321), we get a palindrome (23635253632).

The spelling of 12303123311 in words is "twelve billion, three hundred three million, one hundred twenty-three thousand, three hundred eleven".