442102343 has 8 divisors (see below), whose sum is σ = 462091488. Its totient is φ = 422177184.

The previous prime is 442102333. The next prime is 442102369. The reversal of 442102343 is 343201244.

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

It is a cyclic number.

It is not a de Polignac number, because 442102343 - 2⁴ = 442102327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442102333) 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, 1580 + ... + 29777.

It is an arithmetic number, because the mean of its divisors is an integer number (57761436).

Almost surely, 2^442102343 is an apocalyptic number.

442102343 is a deficient number, since it is larger than the sum of its proper divisors (19989145).

442102343 is a wasteful number, since it uses less digits than its factorization.

442102343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31993.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442102343 is about 21026.2298807941. The cubic root of 442102343 is about 761.7999482877.

Adding to 442102343 its reverse (343201244), we get a palindrome (785303587).

The spelling of 442102343 in words is "four hundred forty-two million, one hundred two thousand, three hundred forty-three".