42142323473 has 2 divisors, whose sum is σ = 42142323474. Its totient is φ = 42142323472.

The previous prime is 42142323409. The next prime is 42142323491. The reversal of 42142323473 is 37432324124.

42142323473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41360170384 + 782153089 = 203372^2 + 27967^2 .

It is a cyclic number.

It is not a de Polignac number, because 42142323473 - 2⁶ = 42142323409 is a prime.

It is not a weakly prime, because it can be changed into another prime (42142323493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21071161736 + 21071161737.

It is an arithmetic number, because the mean of its divisors is an integer number (21071161737).

Almost surely, 2^42142323473 is an apocalyptic number.

It is an amenable number.

42142323473 is a deficient number, since it is larger than the sum of its proper divisors (1).

42142323473 is an equidigital number, since it uses as much as digits as its factorization.

42142323473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 35.

Adding to 42142323473 its reverse (37432324124), we get a palindrome (79574647597).

The spelling of 42142323473 in words is "forty-two billion, one hundred forty-two million, three hundred twenty-three thousand, four hundred seventy-three".