1256323 has 2 divisors, whose sum is σ = 1256324. Its totient is φ = 1256322.

The previous prime is 1256303. The next prime is 1256347. The reversal of 1256323 is 3236521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1256323 - 2⁹ = 1255811 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1256294 and 1256303.

It is not a weakly prime, because it can be changed into another prime (1256303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628161 + 628162.

It is an arithmetic number, because the mean of its divisors is an integer number (628162).

2^1256323 is an apocalyptic number.

1256323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1256323 is an equidigital number, since it uses as much as digits as its factorization.

1256323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 22.

The square root of 1256323 is about 1120.8581533807. The cubic root of 1256323 is about 107.9030623088.

The spelling of 1256323 in words is "one million, two hundred fifty-six thousand, three hundred twenty-three".