42244430023 has 2 divisors, whose sum is σ = 42244430024. Its totient is φ = 42244430022.

The previous prime is 42244430009. The next prime is 42244430047. The reversal of 42244430023 is 32003444224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42244430023 - 2⁹ = 42244429511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42244429973 and 42244430000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42244430093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21122215011 + 21122215012.

It is an arithmetic number, because the mean of its divisors is an integer number (21122215012).

Almost surely, 2^42244430023 is an apocalyptic number.

42244430023 is a deficient number, since it is larger than the sum of its proper divisors (1).

42244430023 is an equidigital number, since it uses as much as digits as its factorization.

42244430023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42244430023 its reverse (32003444224), we get a palindrome (74247874247).

The spelling of 42244430023 in words is "forty-two billion, two hundred forty-four million, four hundred thirty thousand, twenty-three".