23040434111140 has 24 divisors (see below), whose sum is σ = 48828809909880. Its totient is φ = 9131621591808.

The previous prime is 23040434111131. The next prime is 23040434111141. The reversal of 23040434111140 is 4111143404032.

It can be written as a sum of positive squares in 4 ways, for example, as 9033499114084 + 14006934997056 = 3005578^2 + 3742584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23040434111099 and 23040434111108.

It is not an unprimeable number, because it can be changed into a prime (23040434111141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5284501057 + ... + 5284505416.

It is an arithmetic number, because the mean of its divisors is an integer number (2034533746245).

Almost surely, 2^{23040434111140} is an apocalyptic number.

23040434111140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23040434111140 is an abundant number, since it is smaller than the sum of its proper divisors (25788375798740).

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

23040434111140 is a wasteful number, since it uses less digits than its factorization.

23040434111140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569006591 (or 10569006589 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 23040434111140 its reverse (4111143404032), we get a palindrome (27151577515172).

The spelling of 23040434111140 in words is "twenty-three trillion, forty billion, four hundred thirty-four million, one hundred eleven thousand, one hundred forty".