123320544112 has 40 divisors (see below), whose sum is σ = 245915367552. Its totient is φ = 59884440000.

The previous prime is 123320544089. The next prime is 123320544121. The reversal of 123320544112 is 211445023321.

It is a congruent 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, 734014 + ... + 886237.

Almost surely, 2^123320544112 is an apocalyptic number.

It is an amenable number.

123320544112 is a deficient number, since it is larger than the sum of its proper divisors (122594823440).

123320544112 is a wasteful number, since it uses less digits than its factorization.

123320544112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620397 (or 1620391 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 123320544112 its reverse (211445023321), we get a palindrome (334765567433).

The spelling of 123320544112 in words is "one hundred twenty-three billion, three hundred twenty million, five hundred forty-four thousand, one hundred twelve".