204100212321223 has 2 divisors, whose sum is σ = 204100212321224. Its totient is φ = 204100212321222.

The previous prime is 204100212321139. The next prime is 204100212321227. The reversal of 204100212321223 is 322123212001402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204100212321223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204100212321227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102050106160611 + 102050106160612.

It is an arithmetic number, because the mean of its divisors is an integer number (102050106160612).

Almost surely, 2^{204100212321223} is an apocalyptic number.

204100212321223 is a deficient number, since it is larger than the sum of its proper divisors (1).

204100212321223 is an equidigital number, since it uses as much as digits as its factorization.

204100212321223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 204100212321223 its reverse (322123212001402), we get a palindrome (526223424322625).

The spelling of 204100212321223 in words is "two hundred four trillion, one hundred billion, two hundred twelve million, three hundred twenty-one thousand, two hundred twenty-three".