201230123300 has 72 divisors (see below), whose sum is σ = 452056899840. Its totient is φ = 77670633600.

The previous prime is 201230123291. The next prime is 201230123317. The reversal of 201230123300 is 3321032102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 982166 + ... + 1169234.

Almost surely, 2^201230123300 is an apocalyptic number.

201230123300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201230123300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226028449920).

201230123300 is an abundant number, since it is smaller than the sum of its proper divisors (250826776540).

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

201230123300 is a wasteful number, since it uses less digits than its factorization.

201230123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187461 (or 187454 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 201230123300 its reverse (3321032102), we get a palindrome (204551155402).

The spelling of 201230123300 in words is "two hundred one billion, two hundred thirty million, one hundred twenty-three thousand, three hundred".