23155053134563 has 8 divisors (see below), whose sum is σ = 27002977416800. Its totient is φ = 19847188400760.

The previous prime is 23155053134561. The next prime is 23155053134567. The reversal of 23155053134563 is 36543135055132.

It is not a de Polignac number, because 23155053134563 - 2¹ = 23155053134561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23155053134561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33753721428 + ... + 33753722113.

It is an arithmetic number, because the mean of its divisors is an integer number (3375372177100).

Almost surely, 2^{23155053134563} is an apocalyptic number.

23155053134563 is a deficient number, since it is larger than the sum of its proper divisors (3847924282237).

23155053134563 is an frugal number, since it uses more digits than its factorization.

23155053134563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67507443562 (or 67507443548 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 46.

Adding to 23155053134563 its reverse (36543135055132), we get a palindrome (59698188189695).

The spelling of 23155053134563 in words is "twenty-three trillion, one hundred fifty-five billion, fifty-three million, one hundred thirty-four thousand, five hundred sixty-three".