442123297 has 32 divisors (see below), whose sum is σ = 566590464. Its totient is φ = 335025600.

The previous prime is 442123261. The next prime is 442123307. The reversal of 442123297 is 792321244.

It is not a de Polignac number, because 442123297 - 2¹⁹ = 441599009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442123207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534198 + ... + 535024.

It is an arithmetic number, because the mean of its divisors is an integer number (17705952).

Almost surely, 2^442123297 is an apocalyptic number.

It is an amenable number.

442123297 is a deficient number, since it is larger than the sum of its proper divisors (124467167).

442123297 is a wasteful number, since it uses less digits than its factorization.

442123297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029.

The product of its digits is 24192, while the sum is 34.

The square root of 442123297 is about 21026.7281572764. The cubic root of 442123297 is about 761.8119835884.

The spelling of 442123297 in words is "four hundred forty-two million, one hundred twenty-three thousand, two hundred ninety-seven".