442421232113323 has 4 divisors (see below), whose sum is σ = 442421326509480. Its totient is φ = 442421137717168.

The previous prime is 442421232113321. The next prime is 442421232113369. The reversal of 442421232113323 is 323311232124244.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 442421232113323 - 2¹ = 442421232113321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442421232113321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39779065 + ... + 49671082.

It is an arithmetic number, because the mean of its divisors is an integer number (110605331627370).

Almost surely, 2^{442421232113323} is an apocalyptic number.

442421232113323 is a deficient number, since it is larger than the sum of its proper divisors (94396157).

442421232113323 is an equidigital number, since it uses as much as digits as its factorization.

442421232113323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94396156.

The product of its digits is 165888, while the sum is 37.

Adding to 442421232113323 its reverse (323311232124244), we get a palindrome (765732464237567).

The spelling of 442421232113323 in words is "four hundred forty-two trillion, four hundred twenty-one billion, two hundred thirty-two million, one hundred thirteen thousand, three hundred twenty-three".