23143441 has 4 divisors (see below), whose sum is σ = 23226084. Its totient is φ = 23060800.

The previous prime is 23143429. The next prime is 23143459. The reversal of 23143441 is 14434132.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14470416 + 8673025 = 3804^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 23143441 - 2⁹ = 23142929 is a prime.

It is a super-2 number, since 2×23143441² = 1071237722640962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23143741) 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, 40900 + ... + 41461.

It is an arithmetic number, because the mean of its divisors is an integer number (5806521).

Almost surely, 2^23143441 is an apocalyptic number.

It is an amenable number.

23143441 is a deficient number, since it is larger than the sum of its proper divisors (82643).

23143441 is an equidigital number, since it uses as much as digits as its factorization.

23143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82642.

The product of its digits is 1152, while the sum is 22.

The square root of 23143441 is about 4810.7630371907. The cubic root of 23143441 is about 284.9766719389.

Adding to 23143441 its reverse (14434132), we get a palindrome (37577573).

The spelling of 23143441 in words is "twenty-three million, one hundred forty-three thousand, four hundred forty-one".