342263 has 6 divisors (see below), whose sum is σ = 358344. Its totient is φ = 326876.

The previous prime is 342257. The next prime is 342281. The reversal of 342263 is 362243.

It is not a de Polignac number, because 342263 - 2¹² = 338167 is a prime.

It is a super-2 number, since 2×342263² = 234287922338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342263.

It is not an unprimeable number, because it can be changed into a prime (342203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206 + ... + 852.

It is an arithmetic number, because the mean of its divisors is an integer number (59724).

2³⁴²²⁶³ is an apocalyptic number.

342263 is a deficient number, since it is larger than the sum of its proper divisors (16081).

342263 is an equidigital number, since it uses as much as digits as its factorization.

342263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 670 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 342263 is about 585.0324777309. The cubic root of 342263 is about 69.9498279937.

Subtracting from 342263 its sum of digits (20), we obtain a palindrome (342243).

The spelling of 342263 in words is "three hundred forty-two thousand, two hundred sixty-three".