243443444344342 has 48 divisors (see below), whose sum is σ = 402262126350336. Its totient is φ = 110413089586800.

The previous prime is 243443444344337. The next prime is 243443444344391.

It is a happy number.

243443444344342 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 243443444344342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267333217 + ... + 268242307.

It is an arithmetic number, because the mean of its divisors is an integer number (8380460965632).

Almost surely, 2^{243443444344342} is an apocalyptic number.

243443444344342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243443444344342 is a deficient number, since it is larger than the sum of its proper divisors (158818682005994).

243443444344342 is a wasteful number, since it uses less digits than its factorization.

243443444344342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911545 (or 911534 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 52.

The spelling of 243443444344342 in words is "two hundred forty-three trillion, four hundred forty-three billion, four hundred forty-four million, three hundred forty-four thousand, three hundred forty-two".