23340021100 has 72 divisors (see below), whose sum is σ = 55674311616. Its totient is φ = 8422440000.

The previous prime is 23340021073. The next prime is 23340021101. The reversal of 23340021100 is 112004332.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23340021101) 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, 63115 + ... + 225085.

It is an arithmetic number, because the mean of its divisors is an integer number (773254328).

Almost surely, 2^23340021100 is an apocalyptic number.

23340021100 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 23340021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27837155808).

23340021100 is an abundant number, since it is smaller than the sum of its proper divisors (32334290516).

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

23340021100 is a wasteful number, since it uses less digits than its factorization.

23340021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162127 (or 162120 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23340021100 its reverse (112004332), we get a palindrome (23452025432).

The spelling of 23340021100 in words is "twenty-three billion, three hundred forty million, twenty-one thousand, one hundred".