123355001200 has 60 divisors (see below), whose sum is σ = 296404382080. Its totient is φ = 49334676480.

The previous prime is 123355001191. The next prime is 123355001219. The reversal of 123355001200 is 2100553321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3264817 + ... + 3302383.

Almost surely, 2^123355001200 is an apocalyptic number.

123355001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123355001200 is an abundant number, since it is smaller than the sum of its proper divisors (173049380880).

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

123355001200 is a wasteful number, since it uses less digits than its factorization.

123355001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45794 (or 45783 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 123355001200 its reverse (2100553321), we get a palindrome (125455554521).

The spelling of 123355001200 in words is "one hundred twenty-three billion, three hundred fifty-five million, one thousand, two hundred".