23871963 has 16 divisors (see below), whose sum is σ = 32753952. Its totient is φ = 15456000.

The previous prime is 23871937. The next prime is 23871971. The reversal of 23871963 is 36917832.

It is not a de Polignac number, because 23871963 - 2¹⁰ = 23870939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23871973) 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 15 ways as a sum of consecutive naturals, for example, 51553 + ... + 52013.

It is an arithmetic number, because the mean of its divisors is an integer number (2047122).

Almost surely, 2^23871963 is an apocalyptic number.

23871963 is a deficient number, since it is larger than the sum of its proper divisors (8881989).

23871963 is a wasteful number, since it uses less digits than its factorization.

23871963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926.

The product of its digits is 54432, while the sum is 39.

The square root of 23871963 is about 4885.8942886641. The cubic root of 23871963 is about 287.9360510986.

The spelling of 23871963 in words is "twenty-three million, eight hundred seventy-one thousand, nine hundred sixty-three".