23215441300 has 72 divisors (see below), whose sum is σ = 50910413400. Its totient is φ = 9188190720.

The previous prime is 23215441267. The next prime is 23215441303. The reversal of 23215441300 is 314451232.

It can be written as a sum of positive squares in 12 ways, for example, as 364886404 + 22850554896 = 19102^2 + 151164^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23215441303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13395234 + ... + 13396966.

It is an arithmetic number, because the mean of its divisors is an integer number (707089075).

Almost surely, 2^23215441300 is an apocalyptic number.

23215441300 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 23215441300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25455206700).

23215441300 is an abundant number, since it is smaller than the sum of its proper divisors (27694972100).

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

23215441300 is a wasteful number, since it uses less digits than its factorization.

23215441300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085 (or 3078 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23215441300 its reverse (314451232), we get a palindrome (23529892532).

The spelling of 23215441300 in words is "twenty-three billion, two hundred fifteen million, four hundred forty-one thousand, three hundred".