342342404243243 has 4 divisors (see below), whose sum is σ = 342488268073560. Its totient is φ = 342196540412928.

The previous prime is 342342404243197. The next prime is 342342404243267.

342342404243243 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342342404243243 - 2³² = 342338109275947 is a prime.

It is a super-2 number, since 2×342342404243243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342342404243194 and 342342404243203.

It is not an unprimeable number, because it can be changed into a prime (342342404245243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72931911638 + ... + 72931916331.

It is an arithmetic number, because the mean of its divisors is an integer number (85622067018390).

Almost surely, 2^{342342404243243} is an apocalyptic number.

342342404243243 is a deficient number, since it is larger than the sum of its proper divisors (145863830317).

342342404243243 is a wasteful number, since it uses less digits than its factorization.

342342404243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145863830316.

The product of its (nonzero) digits is 5308416, while the sum is 44.

It can be divided in two parts, 34234240 and 4243243, that added together give a palindrome (38477483).

The spelling of 342342404243243 in words is "three hundred forty-two trillion, three hundred forty-two billion, four hundred four million, two hundred forty-three thousand, two hundred forty-three".