243401040104343 has 16 divisors (see below), whose sum is σ = 354038195613312. Its totient is φ = 147515648924000.

The previous prime is 243401040104273. The next prime is 243401040104371. The reversal of 243401040104343 is 343401040104342.

It is a cyclic number.

It is not a de Polignac number, because 243401040104343 - 2²⁹ = 243400503233431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243401040104393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43827013 + ... + 49067393.

It is an arithmetic number, because the mean of its divisors is an integer number (22127387225832).

Almost surely, 2^{243401040104343} is an apocalyptic number.

243401040104343 is a deficient number, since it is larger than the sum of its proper divisors (110637155508969).

243401040104343 is a wasteful number, since it uses less digits than its factorization.

243401040104343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647886.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 243401040104343 its reverse (343401040104342), we get a palindrome (586802080208685).

Subtracting 243401040104343 from its reverse (343401040104342), we obtain a palindrome (99999999999999).

The spelling of 243401040104343 in words is "two hundred forty-three trillion, four hundred one billion, forty million, one hundred four thousand, three hundred forty-three".