23939441 has 4 divisors (see below), whose sum is σ = 24227952. Its totient is φ = 23650932.

The previous prime is 23939423. The next prime is 23939467. The reversal of 23939441 is 14493932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23939441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23939491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144131 + ... + 144296.

It is an arithmetic number, because the mean of its divisors is an integer number (6056988).

Almost surely, 2^23939441 is an apocalyptic number.

It is an amenable number.

23939441 is a deficient number, since it is larger than the sum of its proper divisors (288511).

23939441 is an equidigital number, since it uses as much as digits as its factorization.

23939441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288510.

The product of its digits is 23328, while the sum is 35.

The square root of 23939441 is about 4892.7948046081. The cubic root of 23939441 is about 288.2070952912.

The spelling of 23939441 in words is "twenty-three million, nine hundred thirty-nine thousand, four hundred forty-one".