23697171193 has 4 divisors (see below), whose sum is σ = 24727483008. Its totient is φ = 22666859380.

The previous prime is 23697171181. The next prime is 23697171229. The reversal of 23697171193 is 39117179632.

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 23697171193 - 2¹³ = 23697163001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23697171493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515155873 + ... + 515155918.

It is an arithmetic number, because the mean of its divisors is an integer number (6181870752).

Almost surely, 2^23697171193 is an apocalyptic number.

23697171193 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23697171193 is a deficient number, since it is larger than the sum of its proper divisors (1030311815).

23697171193 is a wasteful number, since it uses less digits than its factorization.

23697171193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030311814.

The product of its digits is 428652, while the sum is 49.

It can be divided in two parts, 23 and 697171193, that added together give a square (697171216 = 26404²).

The spelling of 23697171193 in words is "twenty-three billion, six hundred ninety-seven million, one hundred seventy-one thousand, one hundred ninety-three".