23520163 has 8 divisors (see below), whose sum is σ = 25434432. Its totient is φ = 21664896.

The previous prime is 23520137. The next prime is 23520169. The reversal of 23520163 is 36102532.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23520163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23520169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13920 + ... + 15517.

It is an arithmetic number, because the mean of its divisors is an integer number (3179304).

Almost surely, 2^23520163 is an apocalyptic number.

23520163 is a deficient number, since it is larger than the sum of its proper divisors (1914269).

23520163 is a wasteful number, since it uses less digits than its factorization.

23520163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29501.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 23520163 is about 4849.7590661805. The cubic root of 23520163 is about 286.5146121380.

Adding to 23520163 its reverse (36102532), we get a palindrome (59622695).

The spelling of 23520163 in words is "twenty-three million, five hundred twenty thousand, one hundred sixty-three".