23081441 has 8 divisors (see below), whose sum is σ = 23490600. Its totient is φ = 22675968.

The previous prime is 23081431. The next prime is 23081491. The reversal of 23081441 is 14418032.

23081441 = 439² + 440² + ... + 535².

It can be written as a sum of positive squares in 4 ways, for example, as 3025 + 23078416 = 55^2 + 4804^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23081441 - 2¹⁸ = 22819297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23081431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13655 + ... + 15251.

It is an arithmetic number, because the mean of its divisors is an integer number (2936325).

Almost surely, 2^23081441 is an apocalyptic number.

It is an amenable number.

23081441 is a deficient number, since it is larger than the sum of its proper divisors (409159).

23081441 is a wasteful number, since it uses less digits than its factorization.

23081441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 23081441 is about 4804.3148314822. The cubic root of 23081441 is about 284.7219654345.

Adding to 23081441 its reverse (14418032), we get a palindrome (37499473).

The spelling of 23081441 in words is "twenty-three million, eighty-one thousand, four hundred forty-one".