23545163 has 4 divisors (see below), whose sum is σ = 23686320. Its totient is φ = 23404008.

The previous prime is 23545147. The next prime is 23545177. The reversal of 23545163 is 36154532.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23545163 - 2⁴ = 23545147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23545103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70328 + ... + 70661.

It is an arithmetic number, because the mean of its divisors is an integer number (5921580).

Almost surely, 2^23545163 is an apocalyptic number.

23545163 is a deficient number, since it is larger than the sum of its proper divisors (141157).

23545163 is a wasteful number, since it uses less digits than its factorization.

23545163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141156.

The product of its digits is 10800, while the sum is 29.

The square root of 23545163 is about 4852.3358292682. The cubic root of 23545163 is about 286.6160900196.

Adding to 23545163 its reverse (36154532), we get a palindrome (59699695).

It can be divided in two parts, 23545 and 163, that multiplied together give a triangular number (3837835 = T₂₇₇₀).

The spelling of 23545163 in words is "twenty-three million, five hundred forty-five thousand, one hundred sixty-three".