1023807979 has 2 divisors, whose sum is σ = 1023807980. Its totient is φ = 1023807978.

The previous prime is 1023807971. The next prime is 1023808033. The reversal of 1023807979 is 9797083201.

It is a happy number.

1023807979 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 a cyclic number.

It is not a de Polignac number, because 1023807979 - 2³ = 1023807971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023807971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511903989 + 511903990.

It is an arithmetic number, because the mean of its divisors is an integer number (511903990).

Almost surely, 2^1023807979 is an apocalyptic number.

1023807979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023807979 is an equidigital number, since it uses as much as digits as its factorization.

1023807979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 1023807979 is about 31996.9995312060. Note that the first 3 decimals coincide. The cubic root of 1023807979 is about 1007.8738330347.

The spelling of 1023807979 in words is "one billion, twenty-three million, eight hundred seven thousand, nine hundred seventy-nine".