12023310427 has 2 divisors, whose sum is σ = 12023310428. Its totient is φ = 12023310426.

The previous prime is 12023310391. The next prime is 12023310443. The reversal of 12023310427 is 72401332021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (72401332021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12023310427 is a prime.

It is not a weakly prime, because it can be changed into another prime (12023310487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011655213 + 6011655214.

It is an arithmetic number, because the mean of its divisors is an integer number (6011655214).

Almost surely, 2^12023310427 is an apocalyptic number.

12023310427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023310427 is an equidigital number, since it uses as much as digits as its factorization.

12023310427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 12023310427 its reverse (72401332021), we get a palindrome (84424642448).

The spelling of 12023310427 in words is "twelve billion, twenty-three million, three hundred ten thousand, four hundred twenty-seven".