243444051023 has 2 divisors, whose sum is σ = 243444051024. Its totient is φ = 243444051022.

The previous prime is 243444050999. The next prime is 243444051041. The reversal of 243444051023 is 320150444342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243444051023 - 2⁸ = 243444050767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243444051623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121722025511 + 121722025512.

It is an arithmetic number, because the mean of its divisors is an integer number (121722025512).

Almost surely, 2^243444051023 is an apocalyptic number.

243444051023 is a deficient number, since it is larger than the sum of its proper divisors (1).

243444051023 is an equidigital number, since it uses as much as digits as its factorization.

243444051023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 243444051023 its reverse (320150444342), we get a palindrome (563594495365).

The spelling of 243444051023 in words is "two hundred forty-three billion, four hundred forty-four million, fifty-one thousand, twenty-three".