102804223 has 2 divisors, whose sum is σ = 102804224. Its totient is φ = 102804222.

The previous prime is 102804211. The next prime is 102804281. The reversal of 102804223 is 322408201.

It is a weak prime.

It is an emirp because it is prime and its reverse (322408201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102804223 - 2²¹ = 100707071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102804194 and 102804203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102804203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51402111 + 51402112.

It is an arithmetic number, because the mean of its divisors is an integer number (51402112).

Almost surely, 2^102804223 is an apocalyptic number.

102804223 is a deficient number, since it is larger than the sum of its proper divisors (1).

102804223 is an equidigital number, since it uses as much as digits as its factorization.

102804223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 102804223 is about 10139.2417369348. The cubic root of 102804223 is about 468.4576315368.

The spelling of 102804223 in words is "one hundred two million, eight hundred four thousand, two hundred twenty-three".