1008780923 has 2 divisors, whose sum is σ = 1008780924. Its totient is φ = 1008780922.

The previous prime is 1008780917. The next prime is 1008780937. The reversal of 1008780923 is 3290878001.

1008780923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3290878001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1008780923 - 2⁴ = 1008780907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1008780823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504390461 + 504390462.

It is an arithmetic number, because the mean of its divisors is an integer number (504390462).

Almost surely, 2^1008780923 is an apocalyptic number.

1008780923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1008780923 is an equidigital number, since it uses as much as digits as its factorization.

1008780923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1008780923 is about 31761.3117329874. The cubic root of 1008780923 is about 1002.9184487047.

The spelling of 1008780923 in words is "one billion, eight million, seven hundred eighty thousand, nine hundred twenty-three".