342321202123243 has 12 divisors (see below), whose sum is σ = 400097630968392. Its totient is φ = 292027565783520.

The previous prime is 342321202123183. The next prime is 342321202123249.

It is a happy number.

342321202123243 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-342321202123243 is a prime.

It is a super-2 number, since 2×342321202123243² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 342321202123199 and 342321202123208.

It is not an unprimeable number, because it can be changed into a prime (342321202123249) 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, 16554840330 + ... + 16554861007.

It is an arithmetic number, because the mean of its divisors is an integer number (33341469247366).

Almost surely, 2^{342321202123243} is an apocalyptic number.

342321202123243 is a deficient number, since it is larger than the sum of its proper divisors (57776428845149).

342321202123243 is a wasteful number, since it uses less digits than its factorization.

342321202123243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33109701562 (or 33109701555 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

It can be divided in two parts, 34232120 and 2123243, that added together give a palindrome (36355363).

The spelling of 342321202123243 in words is "three hundred forty-two trillion, three hundred twenty-one billion, two hundred two million, one hundred twenty-three thousand, two hundred forty-three".