26231143 has 4 divisors (see below), whose sum is σ = 26242048. Its totient is φ = 26220240.

The previous prime is 26231137. The next prime is 26231171. The reversal of 26231143 is 34113262.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26231143 - 2¹⁷ = 26100071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26231173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78 + ... + 7243.

It is an arithmetic number, because the mean of its divisors is an integer number (6560512).

Almost surely, 2^26231143 is an apocalyptic number.

26231143 is a deficient number, since it is larger than the sum of its proper divisors (10905).

26231143 is an equidigital number, since it uses as much as digits as its factorization.

26231143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904.

The product of its digits is 864, while the sum is 22.

The square root of 26231143 is about 5121.6347976013. The cubic root of 26231143 is about 297.1249158057.

The spelling of 26231143 in words is "twenty-six million, two hundred thirty-one thousand, one hundred forty-three".