1263323 has 2 divisors, whose sum is σ = 1263324. Its totient is φ = 1263322.

The previous prime is 1263319. The next prime is 1263331. The reversal of 1263323 is 3233621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1263323 - 2² = 1263319 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1263295 and 1263304.

It is not a weakly prime, because it can be changed into another prime (1263373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631661 + 631662.

It is an arithmetic number, because the mean of its divisors is an integer number (631662).

2^1263323 is an apocalyptic number.

1263323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263323 is an equidigital number, since it uses as much as digits as its factorization.

1263323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 20.

The square root of 1263323 is about 1123.9764232403. The cubic root of 1263323 is about 108.1030965689.

Adding to 1263323 its reverse (3233621), we get a palindrome (4496944).

The spelling of 1263323 in words is "one million, two hundred sixty-three thousand, three hundred twenty-three".