223436542145342 has 16 divisors (see below), whose sum is σ = 337621995720000. Its totient is φ = 110896845000480.

The previous prime is 223436542145329. The next prime is 223436542145387. The reversal of 223436542145342 is 243541245634322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241561334 + ... + 242484537.

It is an arithmetic number, because the mean of its divisors is an integer number (21101374732500).

Almost surely, 2^{223436542145342} is an apocalyptic number.

223436542145342 is a deficient number, since it is larger than the sum of its proper divisors (114185453574658).

223436542145342 is a wasteful number, since it uses less digits than its factorization.

223436542145342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484047571.

The product of its digits is 16588800, while the sum is 50.

Adding to 223436542145342 its reverse (243541245634322), we get a palindrome (466977787779664).

The spelling of 223436542145342 in words is "two hundred twenty-three trillion, four hundred thirty-six billion, five hundred forty-two million, one hundred forty-five thousand, three hundred forty-two".