23421243 has 8 divisors (see below), whose sum is σ = 32872000. Its totient is φ = 14792328.

The previous prime is 23421221. The next prime is 23421253. The reversal of 23421243 is 34212432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23421243 - 2¹⁰ = 23420219 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (23421253) 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 7 ways as a sum of consecutive naturals, for example, 205393 + ... + 205506.

It is an arithmetic number, because the mean of its divisors is an integer number (4109000).

Almost surely, 2^23421243 is an apocalyptic number.

23421243 is a deficient number, since it is larger than the sum of its proper divisors (9450757).

23421243 is a wasteful number, since it uses less digits than its factorization.

23421243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410921.

The product of its digits is 1152, while the sum is 21.

The square root of 23421243 is about 4839.5498757632. The cubic root of 23421243 is about 286.1123777980.

Adding to 23421243 its reverse (34212432), we get a palindrome (57633675).

It can be divided in two parts, 2 and 3421243, that multiplied together give a palindrome (6842486).

The spelling of 23421243 in words is "twenty-three million, four hundred twenty-one thousand, two hundred forty-three".