23321170875647 has 4 divisors (see below), whose sum is σ = 23321181450960. Its totient is φ = 23321160300336.

The previous prime is 23321170875617. The next prime is 23321170875659. The reversal of 23321170875647 is 74657807112332.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 23321170875647 - 2⁸ = 23321170875391 is a prime.

It is a super-2 number, since 2×23321170875647² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23321170875592 and 23321170875601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321170875617) 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, 586622 + ... + 6854667.

It is an arithmetic number, because the mean of its divisors is an integer number (5830295362740).

Almost surely, 2^{23321170875647} is an apocalyptic number.

23321170875647 is a deficient number, since it is larger than the sum of its proper divisors (10575313).

23321170875647 is an equidigital number, since it uses as much as digits as its factorization.

23321170875647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10575312.

The product of its (nonzero) digits is 11854080, while the sum is 56.

Adding to 23321170875647 its reverse (74657807112332), we get a palindrome (97978977987979).

The spelling of 23321170875647 in words is "twenty-three trillion, three hundred twenty-one billion, one hundred seventy million, eight hundred seventy-five thousand, six hundred forty-seven".