102204230243 has 4 divisors (see below), whose sum is σ = 105501140928. Its totient is φ = 98907319560.

The previous prime is 102204230239. The next prime is 102204230281. The reversal of 102204230243 is 342032402201.

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

It is a cyclic number.

It is not a de Polignac number, because 102204230243 - 2² = 102204230239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102204230213) 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, 1648455296 + ... + 1648455357.

It is an arithmetic number, because the mean of its divisors is an integer number (26375285232).

Almost surely, 2^102204230243 is an apocalyptic number.

102204230243 is a deficient number, since it is larger than the sum of its proper divisors (3296910685).

102204230243 is an equidigital number, since it uses as much as digits as its factorization.

102204230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296910684.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 102204230243 its reverse (342032402201), we get a palindrome (444236632444).

The spelling of 102204230243 in words is "one hundred two billion, two hundred four million, two hundred thirty thousand, two hundred forty-three".