52442123 has 2 divisors, whose sum is σ = 52442124. Its totient is φ = 52442122.

The previous prime is 52442119. The next prime is 52442171. The reversal of 52442123 is 32124425.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52442123 - 2² = 52442119 is a prime.

It is not a weakly prime, because it can be changed into another prime (52442113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26221061 + 26221062.

It is an arithmetic number, because the mean of its divisors is an integer number (26221062).

Almost surely, 2^52442123 is an apocalyptic number.

52442123 is a deficient number, since it is larger than the sum of its proper divisors (1).

52442123 is an equidigital number, since it uses as much as digits as its factorization.

52442123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 23.

The square root of 52442123 is about 7241.6933793140. The cubic root of 52442123 is about 374.3059708403.

Adding to 52442123 its reverse (32124425), we get a palindrome (84566548).

The spelling of 52442123 in words is "fifty-two million, four hundred forty-two thousand, one hundred twenty-three".