320011023 has 8 divisors (see below), whose sum is σ = 428190208. Its totient is φ = 212586264.

The previous prime is 320010997. The next prime is 320011037. The reversal of 320011023 is 320110023.

It is a happy number.

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

It is not a de Polignac number, because 320011023 - 2⁵ = 320010991 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 (320011073) 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, 187615 + ... + 189312.

It is an arithmetic number, because the mean of its divisors is an integer number (53523776).

Almost surely, 2^320011023 is an apocalyptic number.

320011023 is a deficient number, since it is larger than the sum of its proper divisors (108179185).

320011023 is a wasteful number, since it uses less digits than its factorization.

320011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377213.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 320011023 is about 17888.8519195615. The cubic root of 320011023 is about 683.9982323575.

Adding to 320011023 its reverse (320110023), we get a palindrome (640121046).

The spelling of 320011023 in words is "three hundred twenty million, eleven thousand, twenty-three".