23421241 has 4 divisors (see below), whose sum is σ = 24228900. Its totient is φ = 22613584.

The previous prime is 23421221. The next prime is 23421253. The reversal of 23421241 is 14212432.

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 19536400 + 3884841 = 4420^2 + 1971^2 .

It is a cyclic number.

It is not a de Polignac number, because 23421241 - 2⁷ = 23421113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23421221) 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, 403786 + ... + 403843.

It is an arithmetic number, because the mean of its divisors is an integer number (6057225).

Almost surely, 2^23421241 is an apocalyptic number.

It is an amenable number.

23421241 is a deficient number, since it is larger than the sum of its proper divisors (807659).

23421241 is an equidigital number, since it uses as much as digits as its factorization.

23421241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807658.

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

The square root of 23421241 is about 4839.5496691324. The cubic root of 23421241 is about 286.1123696540.

Adding to 23421241 its reverse (14212432), we get a palindrome (37633673).

It can be divided in two parts, 2 and 3421241, that added together give a palindrome (3421243).

The spelling of 23421241 in words is "twenty-three million, four hundred twenty-one thousand, two hundred forty-one".