42322123 has 2 divisors, whose sum is σ = 42322124. Its totient is φ = 42322122.

The previous prime is 42322087. The next prime is 42322153. The reversal of 42322123 is 32122324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42322123 - 2⁹ = 42321611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42322123.

It is not a weakly prime, because it can be changed into another prime (42322153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21161061 + 21161062.

It is an arithmetic number, because the mean of its divisors is an integer number (21161062).

Almost surely, 2^42322123 is an apocalyptic number.

42322123 is a deficient number, since it is larger than the sum of its proper divisors (1).

42322123 is an equidigital number, since it uses as much as digits as its factorization.

42322123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 19.

The square root of 42322123 is about 6505.5455574456. The cubic root of 42322123 is about 348.4890594860.

Adding to 42322123 its reverse (32122324), we get a palindrome (74444447).

The spelling of 42322123 in words is "forty-two million, three hundred twenty-two thousand, one hundred twenty-three".