26143023 has 4 divisors (see below), whose sum is σ = 34857368. Its totient is φ = 17428680.

The previous prime is 26143021. The next prime is 26143027. The reversal of 26143023 is 32034162.

It is a happy number.

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

It is not a de Polignac number, because 26143023 - 2¹ = 26143021 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 (26143021) 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, 4357168 + ... + 4357173.

It is an arithmetic number, because the mean of its divisors is an integer number (8714342).

Almost surely, 2^26143023 is an apocalyptic number.

26143023 is a deficient number, since it is larger than the sum of its proper divisors (8714345).

26143023 is an equidigital number, since it uses as much as digits as its factorization.

26143023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714344.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 26143023 is about 5113.0248385863. The cubic root of 26143023 is about 296.7918254603.

Adding to 26143023 its reverse (32034162), we get a palindrome (58177185).

The spelling of 26143023 in words is "twenty-six million, one hundred forty-three thousand, twenty-three".