788320723 has 4 divisors (see below), whose sum is σ = 788376880. Its totient is φ = 788264568.

The previous prime is 788320693. The next prime is 788320733. The reversal of 788320723 is 327023887.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 788320723 - 2¹³ = 788312531 is a prime.

It is a super-2 number, since 2×788320723² = 1242899124622485458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (788320733) 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 in 3 ways as a sum of consecutive naturals, for example, 13693 + ... + 42001.

It is an arithmetic number, because the mean of its divisors is an integer number (197094220).

Almost surely, 2^788320723 is an apocalyptic number.

788320723 is a deficient number, since it is larger than the sum of its proper divisors (56157).

788320723 is a wasteful number, since it uses less digits than its factorization.

788320723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56156.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 788320723 is about 28077.0497559840. The cubic root of 788320723 is about 923.7780692207.

The spelling of 788320723 in words is "seven hundred eighty-eight million, three hundred twenty thousand, seven hundred twenty-three".