23111301200 has 120 divisors (see below), whose sum is σ = 59856361656. Its totient is φ = 8524800000.

The previous prime is 23111301197. The next prime is 23111301217. The reversal of 23111301200 is 210311132.

It can be written as a sum of positive squares in 12 ways, for example, as 10669237264 + 12442063936 = 103292^2 + 111544^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7699700 + ... + 7702700.

Almost surely, 2^23111301200 is an apocalyptic number.

23111301200 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 23111301200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29928180828).

23111301200 is an abundant number, since it is smaller than the sum of its proper divisors (36745060456).

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

23111301200 is a wasteful number, since it uses less digits than its factorization.

23111301200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4513 (or 4502 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 23111301200 its reverse (210311132), we get a palindrome (23321612332).

The spelling of 23111301200 in words is "twenty-three billion, one hundred eleven million, three hundred one thousand, two hundred".