23112403532040 has 256 divisors, whose sum is σ = 75119786726400. Its totient is φ = 5668939478016.

The previous prime is 23112403532027. The next prime is 23112403532051. The reversal of 23112403532040 is 4023530421132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23112403531989 and 23112403532007.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 39102787 + ... + 39689453.

It is an arithmetic number, because the mean of its divisors is an integer number (293436666900).

Almost surely, 2^{23112403532040} is an apocalyptic number.

23112403532040 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 23112403532040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37559893363200).

23112403532040 is an abundant number, since it is smaller than the sum of its proper divisors (52007383194360).

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

23112403532040 is a wasteful number, since it uses less digits than its factorization.

23112403532040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587204 (or 587200 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 23112403532040 its reverse (4023530421132), we get a palindrome (27135933953172).

The spelling of 23112403532040 in words is "twenty-three trillion, one hundred twelve billion, four hundred three million, five hundred thirty-two thousand, forty".