320662423 has 4 divisors (see below), whose sum is σ = 321757128. Its totient is φ = 319567720.

The previous prime is 320662417. The next prime is 320662429. The reversal of 320662423 is 324266023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324266023 = 29 ⋅11181587.

It is an interprime number because it is at equal distance from previous prime (320662417) and next prime (320662429).

It is a cyclic number.

It is not a de Polignac number, because 320662423 - 2⁹ = 320661911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320662391 and 320662400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320662429) 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, 546913 + ... + 547498.

It is an arithmetic number, because the mean of its divisors is an integer number (80439282).

Almost surely, 2^320662423 is an apocalyptic number.

320662423 is a deficient number, since it is larger than the sum of its proper divisors (1094705).

320662423 is a wasteful number, since it uses less digits than its factorization.

320662423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094704.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 320662423 is about 17907.0495336334. The cubic root of 320662423 is about 684.4620231228.

The spelling of 320662423 in words is "three hundred twenty million, six hundred sixty-two thousand, four hundred twenty-three".