210743242823 has 2 divisors, whose sum is σ = 210743242824. Its totient is φ = 210743242822.

The previous prime is 210743242757. The next prime is 210743242849. The reversal of 210743242823 is 328242347012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210743242823 - 2¹⁴ = 210743226439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210743242873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105371621411 + 105371621412.

It is an arithmetic number, because the mean of its divisors is an integer number (105371621412).

Almost surely, 2^210743242823 is an apocalyptic number.

210743242823 is a deficient number, since it is larger than the sum of its proper divisors (1).

210743242823 is an equidigital number, since it uses as much as digits as its factorization.

210743242823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 38.

Adding to 210743242823 its reverse (328242347012), we get a palindrome (538985589835).

The spelling of 210743242823 in words is "two hundred ten billion, seven hundred forty-three million, two hundred forty-two thousand, eight hundred twenty-three".