9420323691 has 8 divisors (see below), whose sum is σ = 12899902864. Its totient is φ = 6110480160.

The previous prime is 9420323687. The next prime is 9420323723. The reversal of 9420323691 is 1963230249.

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

It is not a de Polignac number, because 9420323691 - 2² = 9420323687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9420323641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42433780 + ... + 42434001.

It is an arithmetic number, because the mean of its divisors is an integer number (1612487858).

Almost surely, 2^9420323691 is an apocalyptic number.

9420323691 is a deficient number, since it is larger than the sum of its proper divisors (3479579173).

9420323691 is a wasteful number, since it uses less digits than its factorization.

9420323691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84867821.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 9420323691 is about 97058.3519899241. The cubic root of 9420323691 is about 2111.9742003653.

The spelling of 9420323691 in words is "nine billion, four hundred twenty million, three hundred twenty-three thousand, six hundred ninety-one".