12443023423 has 2 divisors, whose sum is σ = 12443023424. Its totient is φ = 12443023422.

The previous prime is 12443023393. The next prime is 12443023429. The reversal of 12443023423 is 32432034421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12443023423 - 2¹³ = 12443015231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12443023391 and 12443023400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12443023429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221511711 + 6221511712.

It is an arithmetic number, because the mean of its divisors is an integer number (6221511712).

Almost surely, 2^12443023423 is an apocalyptic number.

12443023423 is a deficient number, since it is larger than the sum of its proper divisors (1).

12443023423 is an equidigital number, since it uses as much as digits as its factorization.

12443023423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12443023423 its reverse (32432034421), we get a palindrome (44875057844).

The spelling of 12443023423 in words is "twelve billion, four hundred forty-three million, twenty-three thousand, four hundred twenty-three".