5042423 has 2 divisors, whose sum is σ = 5042424. Its totient is φ = 5042422.

The previous prime is 5042419. The next prime is 5042437. The reversal of 5042423 is 3242405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5042423 - 2² = 5042419 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5042395 and 5042404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5042413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2521211 + 2521212.

It is an arithmetic number, because the mean of its divisors is an integer number (2521212).

Almost surely, 2^5042423 is an apocalyptic number.

5042423 is a deficient number, since it is larger than the sum of its proper divisors (1).

5042423 is an equidigital number, since it uses as much as digits as its factorization.

5042423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 5042423 is about 2245.5340122118. The cubic root of 5042423 is about 171.4798487148.

Adding to 5042423 its reverse (3242405), we get a palindrome (8284828).

The spelling of 5042423 in words is "five million, forty-two thousand, four hundred twenty-three".