23921041 has 4 divisors (see below), whose sum is σ = 23958000. Its totient is φ = 23884084.

The previous prime is 23921017. The next prime is 23921047. The reversal of 23921041 is 14012932.

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 23921041 - 2²¹ = 21823889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23921047) 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, 17491 + ... + 18808.

It is an arithmetic number, because the mean of its divisors is an integer number (5989500).

Almost surely, 2^23921041 is an apocalyptic number.

It is an amenable number.

23921041 is a deficient number, since it is larger than the sum of its proper divisors (36959).

23921041 is an equidigital number, since it uses as much as digits as its factorization.

23921041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36958.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 23921041 is about 4890.9141272363. The cubic root of 23921041 is about 288.1332371230.

Adding to 23921041 its reverse (14012932), we get a palindrome (37933973).

The spelling of 23921041 in words is "twenty-three million, nine hundred twenty-one thousand, forty-one".