1078666723 has 2 divisors, whose sum is σ = 1078666724. Its totient is φ = 1078666722.

The previous prime is 1078666703. The next prime is 1078666741. The reversal of 1078666723 is 3276668701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1078666723 - 2⁵ = 1078666691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1078666703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539333361 + 539333362.

It is an arithmetic number, because the mean of its divisors is an integer number (539333362).

Almost surely, 2^1078666723 is an apocalyptic number.

1078666723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078666723 is an equidigital number, since it uses as much as digits as its factorization.

1078666723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 1078666723 is about 32843.0620222902. The cubic root of 1078666723 is about 1025.5631957054.

The spelling of 1078666723 in words is "one billion, seventy-eight million, six hundred sixty-six thousand, seven hundred twenty-three".