442343123331 has 8 divisors (see below), whose sum is σ = 589797069840. Its totient is φ = 294892296192.

The previous prime is 442343123329. The next prime is 442343123357. The reversal of 442343123331 is 133321343244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442343123331 - 2¹ = 442343123329 is a prime.

It is a super-2 number, since 2×442343123331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442343123292 and 442343123301.

It is not an unprimeable number, because it can be changed into a prime (442343123231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 426030 + ... + 1032563.

It is an arithmetic number, because the mean of its divisors is an integer number (73724633730).

Almost surely, 2^442343123331 is an apocalyptic number.

442343123331 is a deficient number, since it is larger than the sum of its proper divisors (147453946509).

442343123331 is a wasteful number, since it uses less digits than its factorization.

442343123331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559685.

The product of its digits is 62208, while the sum is 33.

Adding to 442343123331 its reverse (133321343244), we get a palindrome (575664466575).

The spelling of 442343123331 in words is "four hundred forty-two billion, three hundred forty-three million, one hundred twenty-three thousand, three hundred thirty-one".