23212355300 has 144 divisors (see below), whose sum is σ = 52552136448. Its totient is φ = 8893824000.

The previous prime is 23212355293. The next prime is 23212355311. The reversal of 23212355300 is 355321232.

It is a self number, because there is not a number n which added to its sum of digits gives 23212355300.

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, 50792672 + ... + 50793128.

It is an arithmetic number, because the mean of its divisors is an integer number (364945392).

Almost surely, 2^23212355300 is an apocalyptic number.

23212355300 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 23212355300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26276068224).

23212355300 is an abundant number, since it is smaller than the sum of its proper divisors (29339781148).

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

23212355300 is a wasteful number, since it uses less digits than its factorization.

23212355300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 23212355300 its reverse (355321232), we get a palindrome (23567676532).

The spelling of 23212355300 in words is "twenty-three billion, two hundred twelve million, three hundred fifty-five thousand, three hundred".