23310503221640 has 32 divisors (see below), whose sum is σ = 52449179616000. Its totient is φ = 9324103978944.

The previous prime is 23310503221627. The next prime is 23310503221657. The reversal of 23310503221640 is 4612230501332.

It is a junction number, because it is equal to n+sod(n) for n = 23310503221597 and 23310503221606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902921 + ... + 6887399.

It is an arithmetic number, because the mean of its divisors is an integer number (1639036863000).

Almost surely, 2^{23310503221640} is an apocalyptic number.

23310503221640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23310503221640 is an abundant number, since it is smaller than the sum of its proper divisors (29138676394360).

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

23310503221640 is a wasteful number, since it uses less digits than its factorization.

23310503221640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6081869 (or 6081865 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 23310503221640 its reverse (4612230501332), we get a palindrome (27922733722972).

The spelling of 23310503221640 in words is "twenty-three trillion, three hundred ten billion, five hundred three million, two hundred twenty-one thousand, six hundred forty".