342423 has 6 divisors (see below), whose sum is σ = 494624. Its totient is φ = 228276.

The previous prime is 342421. The next prime is 342449. The reversal of 342423 is 324243.

It is not a de Polignac number, because 342423 - 2¹ = 342421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342396 and 342405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342421) 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 5 ways as a sum of consecutive naturals, for example, 19015 + ... + 19032.

2³⁴²⁴²³ is an apocalyptic number.

342423 is a deficient number, since it is larger than the sum of its proper divisors (152201).

342423 is a wasteful number, since it uses less digits than its factorization.

342423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38053 (or 38050 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 342423 is about 585.1692062985. The cubic root of 342423 is about 69.9607262688.

Adding to 342423 its reverse (324243), we get a palindrome (666666).

The spelling of 342423 in words is "three hundred forty-two thousand, four hundred twenty-three", and thus it is an iban number.