23021203211000 has 128 divisors (see below), whose sum is σ = 53928724449600. Its totient is φ = 9198384332800.

The previous prime is 23021203210987. The next prime is 23021203211003. The reversal of 23021203211000 is 11230212032.

It is a self number, because there is not a number n which added to its sum of digits gives 23021203211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021203211003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5367496856 + ... + 5367501144.

Almost surely, 2^{23021203211000} is an apocalyptic number.

23021203211000 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 23021203211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26964362224800).

23021203211000 is an abundant number, since it is smaller than the sum of its proper divisors (30907521238600).

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

23021203211000 is a wasteful number, since it uses less digits than its factorization.

23021203211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8946 (or 8932 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 23021203211000 its reverse (11230212032), we get a palindrome (23032433423032).

The spelling of 23021203211000 in words is "twenty-three trillion, twenty-one billion, two hundred three million, two hundred eleven thousand".