12423313501 has 2 divisors, whose sum is σ = 12423313502. Its totient is φ = 12423313500.

The previous prime is 12423313429. The next prime is 12423313531. The reversal of 12423313501 is 10531332421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12421325401 + 1988100 = 111451^2 + 1410^2 .

It is an emirp because it is prime and its reverse (10531332421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12423313501 - 2¹³ = 12423305309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12423313531) 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 as a sum of consecutive naturals, namely, 6211656750 + 6211656751.

It is an arithmetic number, because the mean of its divisors is an integer number (6211656751).

Almost surely, 2^12423313501 is an apocalyptic number.

It is an amenable number.

12423313501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12423313501 is an equidigital number, since it uses as much as digits as its factorization.

12423313501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 12423313501 its reverse (10531332421), we get a palindrome (22954645922).

The spelling of 12423313501 in words is "twelve billion, four hundred twenty-three million, three hundred thirteen thousand, five hundred one".