1863223 has 2 divisors, whose sum is σ = 1863224. Its totient is φ = 1863222.

The previous prime is 1863181. The next prime is 1863229. The reversal of 1863223 is 3223681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1863223 - 2⁹ = 1862711 is a prime.

It is a d-powerful number, because it can be written as 1 + 8⁴ + 6³ + 3⁷ + 2⁸ + 2¹⁸ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1863229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 931611 + 931612.

It is an arithmetic number, because the mean of its divisors is an integer number (931612).

2^1863223 is an apocalyptic number.

1863223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1863223 is an equidigital number, since it uses as much as digits as its factorization.

1863223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 1863223 is about 1364.9992673991. Note that the first 3 decimals coincide. The cubic root of 1863223 is about 123.0518872454.

The spelling of 1863223 in words is "one million, eight hundred sixty-three thousand, two hundred twenty-three".