1223000287 has 2 divisors, whose sum is σ = 1223000288. Its totient is φ = 1223000286.

The previous prime is 1223000279. The next prime is 1223000291. The reversal of 1223000287 is 7820003221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223000287 - 2³ = 1223000279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223000687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611500143 + 611500144.

It is an arithmetic number, because the mean of its divisors is an integer number (611500144).

Almost surely, 2^1223000287 is an apocalyptic number.

1223000287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223000287 is an equidigital number, since it uses as much as digits as its factorization.

1223000287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1223000287 is about 34971.4210034422. The cubic root of 1223000287 is about 1069.4049409162.

The spelling of 1223000287 in words is "one billion, two hundred twenty-three million, two hundred eighty-seven", and thus it is an aban number.