23144035254220 has 36 divisors (see below), whose sum is σ = 50336212739904. Its totient is φ = 8938386022720.

The previous prime is 23144035254209. The next prime is 23144035254251. The reversal of 23144035254220 is 2245253044132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23144035254220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687974716 + ... + 688008355.

It is an arithmetic number, because the mean of its divisors is an integer number (1398228131664).

Almost surely, 2^{23144035254220} is an apocalyptic number.

23144035254220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144035254220 is an abundant number, since it is smaller than the sum of its proper divisors (27192177485684).

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

23144035254220 is a wasteful number, since it uses less digits than its factorization.

23144035254220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375983138 (or 1375983107 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 23144035254220 its reverse (2245253044132), we get a palindrome (25389288298352).

The spelling of 23144035254220 in words is "twenty-three trillion, one hundred forty-four billion, thirty-five million, two hundred fifty-four thousand, two hundred twenty".