243235353043342 has 32 divisors (see below), whose sum is σ = 421441197191424. Its totient is φ = 104056255228800.

The previous prime is 243235353043303. The next prime is 243235353043379. The reversal of 243235353043342 is 243340353532342.

It is a junction number, because it is equal to n+sod(n) for n = 243235353043292 and 243235353043301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18611217 + ... + 28859107.

It is an arithmetic number, because the mean of its divisors is an integer number (13170037412232).

Almost surely, 2^{243235353043342} is an apocalyptic number.

243235353043342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243235353043342 is a deficient number, since it is larger than the sum of its proper divisors (178205844148082).

243235353043342 is a wasteful number, since it uses less digits than its factorization.

243235353043342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311384.

The product of its (nonzero) digits is 9331200, while the sum is 46.

The spelling of 243235353043342 in words is "two hundred forty-three trillion, two hundred thirty-five billion, three hundred fifty-three million, forty-three thousand, three hundred forty-two".