1256948323 has 2 divisors, whose sum is σ = 1256948324. Its totient is φ = 1256948322.

The previous prime is 1256948293. The next prime is 1256948327. The reversal of 1256948323 is 3238496521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1256948323 - 2⁵ = 1256948291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1256948323.

It is not a weakly prime, because it can be changed into another prime (1256948327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628474161 + 628474162.

It is an arithmetic number, because the mean of its divisors is an integer number (628474162).

Almost surely, 2^1256948323 is an apocalyptic number.

1256948323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1256948323 is an equidigital number, since it uses as much as digits as its factorization.

1256948323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 43.

The square root of 1256948323 is about 35453.4670095888. The cubic root of 1256948323 is about 1079.2096191872.

The spelling of 1256948323 in words is "one billion, two hundred fifty-six million, nine hundred forty-eight thousand, three hundred twenty-three".