23001110131020 has 192 divisors, whose sum is σ = 74659704569856. Its totient is φ = 5181995831040.

The previous prime is 23001110130979. The next prime is 23001110131067. The reversal of 23001110131020 is 2013101110032.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 116408029 + ... + 116605451.

It is an arithmetic number, because the mean of its divisors is an integer number (388852627968).

Almost surely, 2^{23001110131020} is an apocalyptic number.

23001110131020 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 23001110131020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37329852284928).

23001110131020 is an abundant number, since it is smaller than the sum of its proper divisors (51658594438836).

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

23001110131020 is a wasteful number, since it uses less digits than its factorization.

23001110131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201420 (or 201418 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 23001110131020 its reverse (2013101110032), we get a palindrome (25014211241052).

The spelling of 23001110131020 in words is "twenty-three trillion, one billion, one hundred ten million, one hundred thirty-one thousand, twenty".