320211022123 has 4 divisors (see below), whose sum is σ = 320359201528. Its totient is φ = 320062842720.

The previous prime is 320211022111. The next prime is 320211022139. The reversal of 320211022123 is 321220112023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320211022123 - 2¹⁷ = 320210891051 is a prime.

It is a super-3 number, since 3×320211022123³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320211022123.

It is not an unprimeable number, because it can be changed into a prime (320211020123) 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, 74086461 + ... + 74090782.

It is an arithmetic number, because the mean of its divisors is an integer number (80089800382).

Almost surely, 2^320211022123 is an apocalyptic number.

320211022123 is a deficient number, since it is larger than the sum of its proper divisors (148179405).

320211022123 is a wasteful number, since it uses less digits than its factorization.

320211022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148179404.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320211022123 its reverse (321220112023), we get a palindrome (641431134146).

The spelling of 320211022123 in words is "three hundred twenty billion, two hundred eleven million, twenty-two thousand, one hundred twenty-three".