764120423 has 4 divisors (see below), whose sum is σ = 833585928. Its totient is φ = 694654920.

The previous prime is 764120393. The next prime is 764120431. The reversal of 764120423 is 324021467.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 764120423 - 2⁸ = 764120167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764120443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34732736 + ... + 34732757.

It is an arithmetic number, because the mean of its divisors is an integer number (208396482).

Almost surely, 2^764120423 is an apocalyptic number.

764120423 is a deficient number, since it is larger than the sum of its proper divisors (69465505).

764120423 is a wasteful number, since it uses less digits than its factorization.

764120423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69465504.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 764120423 is about 27642.7282119548. The cubic root of 764120423 is about 914.2267738802.

The spelling of 764120423 in words is "seven hundred sixty-four million, one hundred twenty thousand, four hundred twenty-three".