26143982323 has 4 divisors (see below), whose sum is σ = 26237021688. Its totient is φ = 26050942960.

The previous prime is 26143982317. The next prime is 26143982363. The reversal of 26143982323 is 32328934162.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26143982323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26143982323.

It is not an unprimeable number, because it can be changed into a prime (26143982363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46519261 + ... + 46519822.

It is an arithmetic number, because the mean of its divisors is an integer number (6559255422).

Almost surely, 2^26143982323 is an apocalyptic number.

26143982323 is a deficient number, since it is larger than the sum of its proper divisors (93039365).

26143982323 is an equidigital number, since it uses as much as digits as its factorization.

26143982323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93039364.

The product of its digits is 373248, while the sum is 43.

The spelling of 26143982323 in words is "twenty-six billion, one hundred forty-three million, nine hundred eighty-two thousand, three hundred twenty-three".