23131441563 has 8 divisors (see below), whose sum is σ = 30866981376. Its totient is φ = 15408431400.

The previous prime is 23131441511. The next prime is 23131441591. The reversal of 23131441563 is 36514413132.

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

It is not a de Polignac number, because 23131441563 - 2¹⁰ = 23131440539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131441163) 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, 3128103 + ... + 3135488.

It is an arithmetic number, because the mean of its divisors is an integer number (3858372672).

Almost surely, 2^23131441563 is an apocalyptic number.

23131441563 is a deficient number, since it is larger than the sum of its proper divisors (7735539813).

23131441563 is a wasteful number, since it uses less digits than its factorization.

23131441563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264825.

The product of its digits is 25920, while the sum is 33.

Adding to 23131441563 its reverse (36514413132), we get a palindrome (59645854695).

The spelling of 23131441563 in words is "twenty-three billion, one hundred thirty-one million, four hundred forty-one thousand, five hundred sixty-three".