23141563 has 4 divisors (see below), whose sum is σ = 24359560. Its totient is φ = 21923568.

The previous prime is 23141551. The next prime is 23141579. The reversal of 23141563 is 36514132.

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

It is a de Polignac number, because none of the positive numbers 2^k-23141563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23141663) 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, 608970 + ... + 609007.

It is an arithmetic number, because the mean of its divisors is an integer number (6089890).

Almost surely, 2^23141563 is an apocalyptic number.

23141563 is a deficient number, since it is larger than the sum of its proper divisors (1217997).

23141563 is a wasteful number, since it uses less digits than its factorization.

23141563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217996.

The product of its digits is 2160, while the sum is 25.

The square root of 23141563 is about 4810.5678458993. The cubic root of 23141563 is about 284.9689634818.

Adding to 23141563 its reverse (36514132), we get a palindrome (59655695).

The spelling of 23141563 in words is "twenty-three million, one hundred forty-one thousand, five hundred sixty-three".