243105405022 has 16 divisors (see below), whose sum is σ = 372918131712. Its totient is φ = 118806324280.

The previous prime is 243105405001. The next prime is 243105405091. The reversal of 243105405022 is 220504501342.

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, 1670554 + ... + 1810237.

It is an arithmetic number, because the mean of its divisors is an integer number (23307383232).

Almost surely, 2^243105405022 is an apocalyptic number.

243105405022 is a deficient number, since it is larger than the sum of its proper divisors (129812726690).

243105405022 is a wasteful number, since it uses less digits than its factorization.

243105405022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481583.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 243105405022 its reverse (220504501342), we get a palindrome (463609906364).

The spelling of 243105405022 in words is "two hundred forty-three billion, one hundred five million, four hundred five thousand, twenty-two".