243346643342 has 16 divisors (see below), whose sum is σ = 398236355712. Its totient is φ = 110603011320.

The previous prime is 243346643299. The next prime is 243346643357.

243346643342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243346643293 and 243346643302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177698 + ... + 719909.

It is an arithmetic number, because the mean of its divisors is an integer number (24889772232).

Almost surely, 2^243346643342 is an apocalyptic number.

243346643342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243346643342 is a deficient number, since it is larger than the sum of its proper divisors (154889712370).

243346643342 is a wasteful number, since it uses less digits than its factorization.

243346643342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909943.

The product of its digits is 2985984, while the sum is 44.

It can be divided in two parts, 243346 and 643342, that added together give a palindrome (886688).

The spelling of 243346643342 in words is "two hundred forty-three billion, three hundred forty-six million, six hundred forty-three thousand, three hundred forty-two".