23444143 has 2 divisors, whose sum is σ = 23444144. Its totient is φ = 23444142.

The previous prime is 23444137. The next prime is 23444147. The reversal of 23444143 is 34144432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23444143 - 2²¹ = 21346991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23444147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11722071 + 11722072.

It is an arithmetic number, because the mean of its divisors is an integer number (11722072).

Almost surely, 2^23444143 is an apocalyptic number.

23444143 is a deficient number, since it is larger than the sum of its proper divisors (1).

23444143 is an equidigital number, since it uses as much as digits as its factorization.

23444143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 25.

The square root of 23444143 is about 4841.9152202409. The cubic root of 23444143 is about 286.2055957259.

Adding to 23444143 its reverse (34144432), we get a palindrome (57588575).

The spelling of 23444143 in words is "twenty-three million, four hundred forty-four thousand, one hundred forty-three".