12442400023 has 2 divisors, whose sum is σ = 12442400024. Its totient is φ = 12442400022.

The previous prime is 12442399973. The next prime is 12442400077. The reversal of 12442400023 is 32000424421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12442400023 - 2²⁵ = 12408845591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12442399967 and 12442400003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12442400123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221200011 + 6221200012.

It is an arithmetic number, because the mean of its divisors is an integer number (6221200012).

Almost surely, 2^12442400023 is an apocalyptic number.

12442400023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12442400023 is an equidigital number, since it uses as much as digits as its factorization.

12442400023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12442400023 its reverse (32000424421), we get a palindrome (44442824444).

The spelling of 12442400023 in words is "twelve billion, four hundred forty-two million, four hundred thousand, twenty-three".