23220583101640 has 16 divisors (see below), whose sum is σ = 52246311978780. Its totient is φ = 9288233240640.

The previous prime is 23220583101593. The next prime is 23220583101641. The reversal of 23220583101640 is 4610138502232.

It can be written as a sum of positive squares in 2 ways, for example, as 20743415596036 + 2477167505604 = 4554494^2 + 1573902^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23220583101640.

It is not an unprimeable number, because it can be changed into a prime (23220583101641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290257288731 + ... + 290257288810.

Almost surely, 2^{23220583101640} is an apocalyptic number.

23220583101640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23220583101640 is an abundant number, since it is smaller than the sum of its proper divisors (29025728877140).

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

23220583101640 is a wasteful number, since it uses less digits than its factorization.

23220583101640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580514577552 (or 580514577548 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 23220583101640 in words is "twenty-three trillion, two hundred twenty billion, five hundred eighty-three million, one hundred one thousand, six hundred forty".