23256134255 has 16 divisors (see below), whose sum is σ = 28304774784. Its totient is φ = 18341548800.

The previous prime is 23256134207. The next prime is 23256134309. The reversal of 23256134255 is 55243165232.

It is not a de Polignac number, because 23256134255 - 2²⁴ = 23239357039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18842 + ... + 216488.

It is an arithmetic number, because the mean of its divisors is an integer number (1769048424).

Almost surely, 2^23256134255 is an apocalyptic number.

23256134255 is a deficient number, since it is larger than the sum of its proper divisors (5048640529).

23256134255 is a wasteful number, since it uses less digits than its factorization.

23256134255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197986.

The product of its digits is 216000, while the sum is 38.

Adding to 23256134255 its reverse (55243165232), we get a palindrome (78499299487).

The spelling of 23256134255 in words is "twenty-three billion, two hundred fifty-six million, one hundred thirty-four thousand, two hundred fifty-five".