42005341423 has 2 divisors, whose sum is σ = 42005341424. Its totient is φ = 42005341422.

The previous prime is 42005341397. The next prime is 42005341453. The reversal of 42005341423 is 32414350024.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42005341423 - 2²¹ = 42003244271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42005341391 and 42005341400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42005341453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21002670711 + 21002670712.

It is an arithmetic number, because the mean of its divisors is an integer number (21002670712).

Almost surely, 2^42005341423 is an apocalyptic number.

42005341423 is a deficient number, since it is larger than the sum of its proper divisors (1).

42005341423 is an equidigital number, since it uses as much as digits as its factorization.

42005341423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 42005341423 its reverse (32414350024), we get a palindrome (74419691447).

The spelling of 42005341423 in words is "forty-two billion, five million, three hundred forty-one thousand, four hundred twenty-three".