23141121500 has 96 divisors (see below), whose sum is σ = 58080946560. Its totient is φ = 7890048000.

The previous prime is 23141121481. The next prime is 23141121527. The reversal of 23141121500 is 512114132.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615236 + ... + 651764.

It is an arithmetic number, because the mean of its divisors is an integer number (605009860).

Almost surely, 2^23141121500 is an apocalyptic number.

23141121500 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 23141121500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29040473280).

23141121500 is an abundant number, since it is smaller than the sum of its proper divisors (34939825060).

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

23141121500 is a wasteful number, since it uses less digits than its factorization.

23141121500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36736 (or 36724 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 23141121500 its reverse (512114132), we get a palindrome (23653235632).

The spelling of 23141121500 in words is "twenty-three billion, one hundred forty-one million, one hundred twenty-one thousand, five hundred".