23173206735673 has 4 divisors (see below), whose sum is σ = 23195683173888. Its totient is φ = 23150730297460.

The previous prime is 23173206735667. The next prime is 23173206735727. The reversal of 23173206735673 is 37653760237132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23173206735673 - 2¹⁷ = 23173206604601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23173206730673) 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, 11238217561 + ... + 11238219622.

It is an arithmetic number, because the mean of its divisors is an integer number (5798920793472).

Almost surely, 2^{23173206735673} is an apocalyptic number.

It is an amenable number.

23173206735673 is a deficient number, since it is larger than the sum of its proper divisors (22476438215).

23173206735673 is a wasteful number, since it uses less digits than its factorization.

23173206735673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22476438214.

The product of its (nonzero) digits is 20003760, while the sum is 55.

The spelling of 23173206735673 in words is "twenty-three trillion, one hundred seventy-three billion, two hundred six million, seven hundred thirty-five thousand, six hundred seventy-three".