788320823 has 2 divisors, whose sum is σ = 788320824. Its totient is φ = 788320822.

The previous prime is 788320807. The next prime is 788320829. The reversal of 788320823 is 328023887.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 788320823 - 2⁴ = 788320807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (788320829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394160411 + 394160412.

It is an arithmetic number, because the mean of its divisors is an integer number (394160412).

Almost surely, 2^788320823 is an apocalyptic number.

788320823 is a deficient number, since it is larger than the sum of its proper divisors (1).

788320823 is an equidigital number, since it uses as much as digits as its factorization.

788320823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 788320823 is about 28077.0515367978. The cubic root of 788320823 is about 923.7781082817.

The spelling of 788320823 in words is "seven hundred eighty-eight million, three hundred twenty thousand, eight hundred twenty-three".