920761731896723 has 8 divisors (see below), whose sum is σ = 950343502695360. Its totient is φ = 891645815756520.

The previous prime is 920761731896711. The next prime is 920761731896749. The reversal of 920761731896723 is 327698137167029.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 920761731896723 - 2²⁰ = 920761730848147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920761731893723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116463660593 + ... + 116463668498.

It is an arithmetic number, because the mean of its divisors is an integer number (118792937836920).

Almost surely, 2^{920761731896723} is an apocalyptic number.

920761731896723 is a deficient number, since it is larger than the sum of its proper divisors (29581770798637).

920761731896723 is a wasteful number, since it uses less digits than its factorization.

920761731896723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232927329217.

The product of its (nonzero) digits is 288054144, while the sum is 71.

The spelling of 920761731896723 in words is "nine hundred twenty trillion, seven hundred sixty-one billion, seven hundred thirty-one million, eight hundred ninety-six thousand, seven hundred twenty-three".