323220123 has 24 divisors (see below), whose sum is σ = 481187616. Its totient is φ = 208915200.

The previous prime is 323220119. The next prime is 323220137. The reversal of 323220123 is 321022323.

It is a happy number.

323220123 is a `hidden beast` number, since 323 + 220 + 123 = 666.

It is not a de Polignac number, because 323220123 - 2² = 323220119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 323220096 and 323220105.

It is not an unprimeable number, because it can be changed into a prime (323220103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102003 + ... + 105123.

It is an arithmetic number, because the mean of its divisors is an integer number (20049484).

Almost surely, 2^323220123 is an apocalyptic number.

323220123 is a deficient number, since it is larger than the sum of its proper divisors (157967493).

323220123 is a wasteful number, since it uses less digits than its factorization.

323220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 323220123 is about 17978.3236982762. The cubic root of 323220123 is about 686.2770309955.

Adding to 323220123 its reverse (321022323), we get a palindrome (644242446).

The spelling of 323220123 in words is "three hundred twenty-three million, two hundred twenty thousand, one hundred twenty-three".