26223143 has 4 divisors (see below), whose sum is σ = 26238408. Its totient is φ = 26207880.

The previous prime is 26223139. The next prime is 26223193. The reversal of 26223143 is 34132262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34132262 = 2 ⋅17066131.

It is a cyclic number.

It is not a de Polignac number, because 26223143 - 2² = 26223139 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 (26223193) 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, 4673 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (6559602).

Almost surely, 2^26223143 is an apocalyptic number.

26223143 is a deficient number, since it is larger than the sum of its proper divisors (15265).

26223143 is a wasteful number, since it uses less digits than its factorization.

26223143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15264.

The product of its digits is 1728, while the sum is 23.

The square root of 26223143 is about 5120.8537374153. The cubic root of 26223143 is about 297.0947069173.

The spelling of 26223143 in words is "twenty-six million, two hundred twenty-three thousand, one hundred forty-three".