123200021303 has 4 divisors (see below), whose sum is σ = 125821298400. Its totient is φ = 120578744208.

The previous prime is 123200021299. The next prime is 123200021323. The reversal of 123200021303 is 303120002321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123200021303 - 2² = 123200021299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200021323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310638478 + ... + 1310638571.

It is an arithmetic number, because the mean of its divisors is an integer number (31455324600).

Almost surely, 2^123200021303 is an apocalyptic number.

123200021303 is a deficient number, since it is larger than the sum of its proper divisors (2621277097).

123200021303 is an equidigital number, since it uses as much as digits as its factorization.

123200021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621277096.

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

Adding to 123200021303 its reverse (303120002321), we get a palindrome (426320023624).

The spelling of 123200021303 in words is "one hundred twenty-three billion, two hundred million, twenty-one thousand, three hundred three".