23165366975 has 12 divisors (see below), whose sum is σ = 28727130840. Its totient is φ = 18530954400.

The previous prime is 23165366929. The next prime is 23165366977. The reversal of 23165366975 is 57966356132.

It is not a de Polignac number, because 23165366975 - 2¹² = 23165362879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23165366977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464816 + ... + 512234.

It is an arithmetic number, because the mean of its divisors is an integer number (2393927570).

Almost surely, 2^23165366975 is an apocalyptic number.

23165366975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23165366975 is a deficient number, since it is larger than the sum of its proper divisors (5561763865).

23165366975 is a wasteful number, since it uses less digits than its factorization.

23165366975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66970 (or 66965 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 53.

The spelling of 23165366975 in words is "twenty-three billion, one hundred sixty-five million, three hundred sixty-six thousand, nine hundred seventy-five".