23050021200 has 240 divisors, whose sum is σ = 79466181696. Its totient is φ = 5689958400.

The previous prime is 23050021147. The next prime is 23050021219. The reversal of 23050021200 is 212005032.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23050021200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1235139 + ... + 1253661.

Almost surely, 2^23050021200 is an apocalyptic number.

23050021200 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 23050021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39733090848).

23050021200 is an abundant number, since it is smaller than the sum of its proper divisors (56416160496).

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

23050021200 is a wasteful number, since it uses less digits than its factorization.

23050021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18622 (or 18611 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

Adding to 23050021200 its reverse (212005032), we get a palindrome (23262026232).

The spelling of 23050021200 in words is "twenty-three billion, fifty million, twenty-one thousand, two hundred".