243122103539 has 16 divisors (see below), whose sum is σ = 278607595200. Its totient is φ = 207825329664.

The previous prime is 243122103527. The next prime is 243122103551. The reversal of 243122103539 is 935301221342.

It is an interprime number because it is at equal distance from previous prime (243122103527) and next prime (243122103551).

It is a cyclic number.

It is not a de Polignac number, because 243122103539 - 2³⁶ = 174402626803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243122103499 and 243122103508.

It is not an unprimeable number, because it can be changed into a prime (243122103559) 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, 13530149 + ... + 13548105.

It is an arithmetic number, because the mean of its divisors is an integer number (17412974700).

Almost surely, 2^243122103539 is an apocalyptic number.

243122103539 is a deficient number, since it is larger than the sum of its proper divisors (35485491661).

243122103539 is a wasteful number, since it uses less digits than its factorization.

243122103539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23102.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 243122103539 in words is "two hundred forty-three billion, one hundred twenty-two million, one hundred three thousand, five hundred thirty-nine".