23002221321140 has 96 divisors (see below), whose sum is σ = 53421643666944. Its totient is φ = 8275115847680.

The previous prime is 23002221321139. The next prime is 23002221321187. The reversal of 23002221321140 is 4112312220032.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 6635912 + ... + 9488928.

It is an arithmetic number, because the mean of its divisors is an integer number (556475454864).

Almost surely, 2^{23002221321140} is an apocalyptic number.

23002221321140 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 23002221321140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26710821833472).

23002221321140 is an abundant number, since it is smaller than the sum of its proper divisors (30419422345804).

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

23002221321140 is a wasteful number, since it uses less digits than its factorization.

23002221321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854097 (or 2854095 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 23002221321140 its reverse (4112312220032), we get a palindrome (27114533541172).

The spelling of 23002221321140 in words is "twenty-three trillion, two billion, two hundred twenty-one million, three hundred twenty-one thousand, one hundred forty".