834720023 has 4 divisors (see below), whose sum is σ = 848867880. Its totient is φ = 820572168.

The previous prime is 834720011. The next prime is 834720041. The reversal of 834720023 is 320027438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320027438 = 2 ⋅160013719.

It is a cyclic number.

It is not a de Polignac number, because 834720023 - 2¹⁰ = 834718999 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 (834720223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7073840 + ... + 7073957.

It is an arithmetic number, because the mean of its divisors is an integer number (212216970).

Almost surely, 2^834720023 is an apocalyptic number.

834720023 is a deficient number, since it is larger than the sum of its proper divisors (14147857).

834720023 is a wasteful number, since it uses less digits than its factorization.

834720023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14147856.

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

The square root of 834720023 is about 28891.5216456316. The cubic root of 834720023 is about 941.5577095991.

The spelling of 834720023 in words is "eight hundred thirty-four million, seven hundred twenty thousand, twenty-three".