791053817923 has 2 divisors, whose sum is σ = 791053817924. Its totient is φ = 791053817922.

The previous prime is 791053817921. The next prime is 791053817927. The reversal of 791053817923 is 329718350197.

791053817923 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 791053817923 - 2¹ = 791053817921 is a prime.

It is a super-2 number, since 2×791053817923² (a number of 25 digits) contains 22 as substring.

Together with 791053817921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (791053817921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395526908961 + 395526908962.

It is an arithmetic number, because the mean of its divisors is an integer number (395526908962).

Almost surely, 2^791053817923 is an apocalyptic number.

791053817923 is a deficient number, since it is larger than the sum of its proper divisors (1).

791053817923 is an equidigital number, since it uses as much as digits as its factorization.

791053817923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 791053817923 in words is "seven hundred ninety-one billion, fifty-three million, eight hundred seventeen thousand, nine hundred twenty-three".