243422340113 has 16 divisors (see below), whose sum is σ = 254949714000. Its totient is φ = 232118691840.

The previous prime is 243422340107. The next prime is 243422340121. The reversal of 243422340113 is 311043224342.

It can be written as a sum of positive squares in 8 ways, for example, as 77368535104 + 166053805009 = 278152^2 + 407497^2 .

It is a cyclic number.

It is not a de Polignac number, because 243422340113 - 2²⁸ = 243153904657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243422340013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788663 + ... + 1053011.

It is an arithmetic number, because the mean of its divisors is an integer number (15934357125).

Almost surely, 2^243422340113 is an apocalyptic number.

It is an amenable number.

243422340113 is a deficient number, since it is larger than the sum of its proper divisors (11527373887).

243422340113 is a wasteful number, since it uses less digits than its factorization.

243422340113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264772.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 243422340113 its reverse (311043224342), we get a palindrome (554465564455).

The spelling of 243422340113 in words is "two hundred forty-three billion, four hundred twenty-two million, three hundred forty thousand, one hundred thirteen".