243124421342 has 32 divisors (see below), whose sum is σ = 398999109600. Its totient is φ = 110189376000.

The previous prime is 243124421291. The next prime is 243124421461.

It is a happy number.

243124421342 is nontrivially palindromic in base 10.

243124421342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 243124421299 and 243124421308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24550592 + ... + 24560492.

It is an arithmetic number, because the mean of its divisors is an integer number (12468722175).

Almost surely, 2^243124421342 is an apocalyptic number.

243124421342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243124421342 is a deficient number, since it is larger than the sum of its proper divisors (155874688258).

243124421342 is a wasteful number, since it uses less digits than its factorization.

243124421342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13052.

The product of its digits is 36864, while the sum is 32.

It can be divided in two parts, 243124 and 421342, that added together give a palindrome (664466).

The spelling of 243124421342 in words is "two hundred forty-three billion, one hundred twenty-four million, four hundred twenty-one thousand, three hundred forty-two".