123321004 has 24 divisors (see below), whose sum is σ = 219753968. Its totient is φ = 60540480.

The previous prime is 123320999. The next prime is 123321041. The reversal of 123321004 is 400123321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112282 + ... + 113374.

Almost surely, 2^123321004 is an apocalyptic number.

It is an amenable number.

123321004 is a deficient number, since it is larger than the sum of its proper divisors (96432964).

123321004 is a wasteful number, since it uses less digits than its factorization.

123321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123321004 is about 11104.9990544799. Note that the first 3 decimals coincide. The cubic root of 123321004 is about 497.7512399859.

Adding to 123321004 its reverse (400123321), we get a palindrome (523444325).

The spelling of 123321004 in words is "one hundred twenty-three million, three hundred twenty-one thousand, four".