23171651602143 has 32 divisors (see below), whose sum is σ = 33737400563712. Its totient is φ = 14029604805600.

The previous prime is 23171651602139. The next prime is 23171651602171. The reversal of 23171651602143 is 34120615617132.

It is a happy number.

It is not a de Polignac number, because 23171651602143 - 2² = 23171651602139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23171651602095 and 23171651602104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23171651602193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 212406630 + ... + 212515692.

It is an arithmetic number, because the mean of its divisors is an integer number (1054293767616).

Almost surely, 2^{23171651602143} is an apocalyptic number.

23171651602143 is a deficient number, since it is larger than the sum of its proper divisors (10565748961569).

23171651602143 is a wasteful number, since it uses less digits than its factorization.

23171651602143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115355.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 23171651602143 in words is "twenty-three trillion, one hundred seventy-one billion, six hundred fifty-one million, six hundred two thousand, one hundred forty-three".