23140441 has 4 divisors (see below), whose sum is σ = 23704884. Its totient is φ = 22576000.

The previous prime is 23140433. The next prime is 23140501. The reversal of 23140441 is 14404132.

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 13505625 + 9634816 = 3675^2 + 3104^2 .

It is a cyclic number.

It is not a de Polignac number, because 23140441 - 2³ = 23140433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23140241) 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, 282160 + ... + 282241.

It is an arithmetic number, because the mean of its divisors is an integer number (5926221).

Almost surely, 2^23140441 is an apocalyptic number.

It is an amenable number.

23140441 is a deficient number, since it is larger than the sum of its proper divisors (564443).

23140441 is an equidigital number, since it uses as much as digits as its factorization.

23140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564442.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 23140441 is about 4810.4512262365. The cubic root of 23140441 is about 284.9643579107.

Adding to 23140441 its reverse (14404132), we get a palindrome (37544573).

The spelling of 23140441 in words is "twenty-three million, one hundred forty thousand, four hundred forty-one".