320223512123 has 8 divisors (see below), whose sum is σ = 323407213920. Its totient is φ = 317040068800.

The previous prime is 320223512113. The next prime is 320223512173. The reversal of 320223512123 is 321215322023.

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

It is a cyclic number.

It is not a de Polignac number, because 320223512123 - 2⁴ = 320223512107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320223512092 and 320223512101.

It is not an unprimeable number, because it can be changed into a prime (320223512113) 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, 3281786 + ... + 3377952.

It is an arithmetic number, because the mean of its divisors is an integer number (40425901740).

Almost surely, 2^320223512123 is an apocalyptic number.

320223512123 is a deficient number, since it is larger than the sum of its proper divisors (3183701797).

320223512123 is a wasteful number, since it uses less digits than its factorization.

320223512123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129237.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 320223512123 its reverse (321215322023), we get a palindrome (641438834146).

The spelling of 320223512123 in words is "three hundred twenty billion, two hundred twenty-three million, five hundred twelve thousand, one hundred twenty-three".