243235101041 has 4 divisors (see below), whose sum is σ = 243236272500. Its totient is φ = 243233929584.

The previous prime is 243235101019. The next prime is 243235101061. The reversal of 243235101041 is 140101532342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 119245902400 + 123989198641 = 345320^2 + 352121^2 .

It is a cyclic number.

It is not a de Polignac number, because 243235101041 - 2¹⁸ = 243234838897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243235101041.

It is not an unprimeable number, because it can be changed into a prime (243235101061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181106 + ... + 720603.

It is an arithmetic number, because the mean of its divisors is an integer number (60809068125).

Almost surely, 2^243235101041 is an apocalyptic number.

It is an amenable number.

243235101041 is a deficient number, since it is larger than the sum of its proper divisors (1171459).

243235101041 is an equidigital number, since it uses as much as digits as its factorization.

243235101041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171458.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 243235101041 its reverse (140101532342), we get a palindrome (383336633383).

The spelling of 243235101041 in words is "two hundred forty-three billion, two hundred thirty-five million, one hundred one thousand, forty-one".