12303023011 has 4 divisors (see below), whose sum is σ = 12303367792. Its totient is φ = 12302678232.

The previous prime is 12303022993. The next prime is 12303023027. The reversal of 12303023011 is 11032030321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11032030321 = 13 ⋅848617717.

It is a cyclic number.

It is not a de Polignac number, because 12303023011 - 2¹⁹ = 12302498723 is a prime.

It is a super-2 number, since 2×12303023011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303023071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111756 + ... + 192601.

It is an arithmetic number, because the mean of its divisors is an integer number (3075841948).

Almost surely, 2^12303023011 is an apocalyptic number.

12303023011 is a deficient number, since it is larger than the sum of its proper divisors (344781).

12303023011 is an equidigital number, since it uses as much as digits as its factorization.

12303023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344780.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 12303023011 its reverse (11032030321), we get a palindrome (23335053332).

The spelling of 12303023011 in words is "twelve billion, three hundred three million, twenty-three thousand, eleven".