342420223 has 16 divisors (see below), whose sum is σ = 372366720. Its totient is φ = 313812576.

The previous prime is 342420209. The next prime is 342420229. The reversal of 342420223 is 322024243.

It is a cyclic number.

It is not a de Polignac number, because 342420223 - 2⁵ = 342420191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342420194 and 342420203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342420229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85461 + ... + 89377.

It is an arithmetic number, because the mean of its divisors is an integer number (23272920).

Almost surely, 2^342420223 is an apocalyptic number.

342420223 is a deficient number, since it is larger than the sum of its proper divisors (29946497).

342420223 is a wasteful number, since it uses less digits than its factorization.

342420223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 342420223 is about 18504.6000497174. The cubic root of 342420223 is about 699.6053714455.

Adding to 342420223 its reverse (322024243), we get a palindrome (664444466).

The spelling of 342420223 in words is "three hundred forty-two million, four hundred twenty thousand, two hundred twenty-three".