12302311223 has 4 divisors (see below), whose sum is σ = 12588411528. Its totient is φ = 12016210920.

The previous prime is 12302311201. The next prime is 12302311249. The reversal of 12302311223 is 32211320321.

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 12302311223 - 2¹⁸ = 12302049079 is a prime.

It is a super-2 number, since 2×12302311223² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12302311195 and 12302311204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302311283) 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, 143050088 + ... + 143050173.

It is an arithmetic number, because the mean of its divisors is an integer number (3147102882).

Almost surely, 2^12302311223 is an apocalyptic number.

12302311223 is a deficient number, since it is larger than the sum of its proper divisors (286100305).

12302311223 is an equidigital number, since it uses as much as digits as its factorization.

12302311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286100304.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12302311223 its reverse (32211320321), we get a palindrome (44513631544).

The spelling of 12302311223 in words is "twelve billion, three hundred two million, three hundred eleven thousand, two hundred twenty-three".