342243 has 12 divisors (see below), whose sum is σ = 539448. Its totient is φ = 207360.

The previous prime is 342241. The next prime is 342257.

342243 is nontrivially palindromic in base 10.

342243 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is not a de Polignac number, because 342243 - 2¹ = 342241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (342241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630 + ... + 1827.

It is an arithmetic number, because the mean of its divisors is an integer number (44954).

2³⁴²²⁴³ is an apocalyptic number.

342243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

342243 is a deficient number, since it is larger than the sum of its proper divisors (197205).

342243 is a wasteful number, since it uses less digits than its factorization.

342243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474 (or 3471 counting only the distinct ones).

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

The square root of 342243 is about 585.0153844131. The cubic root of 342243 is about 69.9484654706.

Subtracting from 342243 its sum of digits (18), we obtain a square (342225 = 585²).

It can be divided in two parts, 342 and 243, that added together give a palindrome (585).

The spelling of 342243 in words is "three hundred forty-two thousand, two hundred forty-three", and thus it is an iban number.