243143421022 has 16 divisors (see below), whose sum is σ = 385662582144. Its totient is φ = 114780528000.

The previous prime is 243143420999. The next prime is 243143421049. The reversal of 243143421022 is 220124341342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47822679 + ... + 47827762.

It is an arithmetic number, because the mean of its divisors is an integer number (24103911384).

Almost surely, 2^243143421022 is an apocalyptic number.

243143421022 is a deficient number, since it is larger than the sum of its proper divisors (142519161122).

243143421022 is a wasteful number, since it uses less digits than its factorization.

243143421022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95650515.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 243143421022 its reverse (220124341342), we get a palindrome (463267762364).

The spelling of 243143421022 in words is "two hundred forty-three billion, one hundred forty-three million, four hundred twenty-one thousand, twenty-two".