123243013200 has 60 divisors (see below), whose sum is σ = 394788456128. Its totient is φ = 32864803200.

The previous prime is 123243013199. The next prime is 123243013211. The reversal of 123243013200 is 2310342321.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51350056 + ... + 51352455.

Almost surely, 2^123243013200 is an apocalyptic number.

123243013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123243013200 is an abundant number, since it is smaller than the sum of its proper divisors (271545442928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123243013200 is a wasteful number, since it uses less digits than its factorization.

123243013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102702532 (or 102702521 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 123243013200 its reverse (2310342321), we get a palindrome (125553355521).

The spelling of 123243013200 in words is "one hundred twenty-three billion, two hundred forty-three million, thirteen thousand, two hundred".