23121223300 has 54 divisors (see below), whose sum is σ = 58364586042. Its totient is φ = 7927274880.

The previous prime is 23121223297. The next prime is 23121223309. The reversal of 23121223300 is 332212132.

It can be written as a sum of positive squares in 3 ways, for example, as 6448732416 + 16672490884 = 80304^2 + 129122^2 .

It is not an unprimeable number, because it can be changed into a prime (23121223309) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2354409 + ... + 2364208.

Almost surely, 2^23121223300 is an apocalyptic number.

23121223300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23121223300 is an abundant number, since it is smaller than the sum of its proper divisors (35243362742).

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

23121223300 is a wasteful number, since it uses less digits than its factorization.

23121223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718645 (or 4718631 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23121223300 its reverse (332212132), we get a palindrome (23453435432).

The spelling of 23121223300 in words is "twenty-three billion, one hundred twenty-one million, two hundred twenty-three thousand, three hundred".