320662123 has 4 divisors (see below), whose sum is σ = 321036280. Its totient is φ = 320287968.

The previous prime is 320662103. The next prime is 320662127. The reversal of 320662123 is 321266023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321266023 = 13 ⋅24712771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320662123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320662127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185790 + ... + 187507.

It is an arithmetic number, because the mean of its divisors is an integer number (80259070).

Almost surely, 2^320662123 is an apocalyptic number.

320662123 is a deficient number, since it is larger than the sum of its proper divisors (374157).

320662123 is an equidigital number, since it uses as much as digits as its factorization.

320662123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374156.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 320662123 is about 17907.0411570421. The cubic root of 320662123 is about 684.4618096702.

The spelling of 320662123 in words is "three hundred twenty million, six hundred sixty-two thousand, one hundred twenty-three".