23933641 has 4 divisors (see below), whose sum is σ = 23958784. Its totient is φ = 23908500.

The previous prime is 23933633. The next prime is 23933647. The reversal of 23933641 is 14633932.

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 not a de Polignac number, because 23933641 - 2³ = 23933633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23933647) 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, 11085 + ... + 13066.

It is an arithmetic number, because the mean of its divisors is an integer number (5989696).

Almost surely, 2^23933641 is an apocalyptic number.

It is an amenable number.

23933641 is a deficient number, since it is larger than the sum of its proper divisors (25143).

23933641 is an equidigital number, since it uses as much as digits as its factorization.

23933641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25142.

The product of its digits is 11664, while the sum is 31.

The square root of 23933641 is about 4892.2020604223. The cubic root of 23933641 is about 288.1838179979.

The spelling of 23933641 in words is "twenty-three million, nine hundred thirty-three thousand, six hundred forty-one".