442421124203 has 2 divisors, whose sum is σ = 442421124204. Its totient is φ = 442421124202.

The previous prime is 442421124181. The next prime is 442421124259. The reversal of 442421124203 is 302421124244.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442421124203 - 2²⁴ = 442404346987 is a prime.

It is a super-2 number, since 2×442421124203² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (442421024203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221210562101 + 221210562102.

It is an arithmetic number, because the mean of its divisors is an integer number (221210562102).

Almost surely, 2^442421124203 is an apocalyptic number.

442421124203 is a deficient number, since it is larger than the sum of its proper divisors (1).

442421124203 is an equidigital number, since it uses as much as digits as its factorization.

442421124203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 442421124203 its reverse (302421124244), we get a palindrome (744842248447).

The spelling of 442421124203 in words is "four hundred forty-two billion, four hundred twenty-one million, one hundred twenty-four thousand, two hundred three".