12111423413 has 2 divisors, whose sum is σ = 12111423414. Its totient is φ = 12111423412.

The previous prime is 12111423409. The next prime is 12111423427. The reversal of 12111423413 is 31432411121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10139885809 + 1971537604 = 100697^2 + 44402^2 .

It is an emirp because it is prime and its reverse (31432411121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12111423413 - 2² = 12111423409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12111423463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055711706 + 6055711707.

It is an arithmetic number, because the mean of its divisors is an integer number (6055711707).

Almost surely, 2^12111423413 is an apocalyptic number.

It is an amenable number.

12111423413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111423413 is an equidigital number, since it uses as much as digits as its factorization.

12111423413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

Adding to 12111423413 its reverse (31432411121), we get a palindrome (43543834534).

The spelling of 12111423413 in words is "twelve billion, one hundred eleven million, four hundred twenty-three thousand, four hundred thirteen".