123221320324 has 12 divisors (see below), whose sum is σ = 215658725184. Its totient is φ = 61604541704.

The previous prime is 123221320319. The next prime is 123221320333. The reversal of 123221320324 is 423023122321.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484152 + ... + 1564975.

It is an arithmetic number, because the mean of its divisors is an integer number (17971560432).

Almost surely, 2^123221320324 is an apocalyptic number.

It is an amenable number.

123221320324 is a deficient number, since it is larger than the sum of its proper divisors (92437404860).

123221320324 is a wasteful number, since it uses less digits than its factorization.

123221320324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059234 (or 3059232 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 123221320324 its reverse (423023122321), we get a palindrome (546244442645).

The spelling of 123221320324 in words is "one hundred twenty-three billion, two hundred twenty-one million, three hundred twenty thousand, three hundred twenty-four".