23311203021200 has 60 divisors (see below), whose sum is σ = 56923282781268. Its totient is φ = 9171620851200.

The previous prime is 23311203021179. The next prime is 23311203021259. The reversal of 23311203021200 is 212030211332.

It can be written as a sum of positive squares in 6 ways, for example, as 6060006277264 + 17251196743936 = 2461708^2 + 4153456^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477664187 + ... + 477712986.

Almost surely, 2^{23311203021200} is an apocalyptic number.

23311203021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23311203021200 is an abundant number, since it is smaller than the sum of its proper divisors (33612079760068).

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

23311203021200 is a wasteful number, since it uses less digits than its factorization.

23311203021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955377252 (or 955377241 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23311203021200 its reverse (212030211332), we get a palindrome (23523233232532).

The spelling of 23311203021200 in words is "twenty-three trillion, three hundred eleven billion, two hundred three million, twenty-one thousand, two hundred".