1223683 has 2 divisors, whose sum is σ = 1223684. Its totient is φ = 1223682.

The previous prime is 1223633. The next prime is 1223687. The reversal of 1223683 is 3863221.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1223687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611841 + 611842.

It is an arithmetic number, because the mean of its divisors is an integer number (611842).

2^1223683 is an apocalyptic number.

1223683 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223683 is an equidigital number, since it uses as much as digits as its factorization.

1223683 is an evil number, because the sum of its binary digits is even.

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

The square root of 1223683 is about 1106.2020611082. The cubic root of 1223683 is about 106.9603894493.

The spelling of 1223683 in words is "one million, two hundred twenty-three thousand, six hundred eighty-three".