243033102401 has 4 divisors (see below), whose sum is σ = 243090738372. Its totient is φ = 242975466432.

The previous prime is 243033102341. The next prime is 243033102427. The reversal of 243033102401 is 104201330342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123594433600 + 119438668801 = 351560^2 + 345599^2 .

It is a cyclic number.

It is not a de Polignac number, because 243033102401 - 2¹⁸ = 243032840257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243033102451) 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, 28811660 + ... + 28820093.

It is an arithmetic number, because the mean of its divisors is an integer number (60772684593).

Almost surely, 2^243033102401 is an apocalyptic number.

It is an amenable number.

243033102401 is a deficient number, since it is larger than the sum of its proper divisors (57635971).

243033102401 is an equidigital number, since it uses as much as digits as its factorization.

243033102401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57635970.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 243033102401 its reverse (104201330342), we get a palindrome (347234432743).

The spelling of 243033102401 in words is "two hundred forty-three billion, thirty-three million, one hundred two thousand, four hundred one".