12231212023 has 4 divisors (see below), whose sum is σ = 12292675600. Its totient is φ = 12169748448.

The previous prime is 12231212011. The next prime is 12231212027. The reversal of 12231212023 is 32021213221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32021213221 = 191 ⋅167650331.

It is a cyclic number.

It is not a de Polignac number, because 12231212023 - 2¹⁷ = 12231080951 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 (12231212027) 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, 30731490 + ... + 30731887.

It is an arithmetic number, because the mean of its divisors is an integer number (3073168900).

Almost surely, 2^12231212023 is an apocalyptic number.

12231212023 is a deficient number, since it is larger than the sum of its proper divisors (61463577).

12231212023 is an equidigital number, since it uses as much as digits as its factorization.

12231212023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61463576.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12231212023 its reverse (32021213221), we get a palindrome (44252425244).

The spelling of 12231212023 in words is "twelve billion, two hundred thirty-one million, two hundred twelve thousand, twenty-three".