24233043421 has 4 divisors (see below), whose sum is σ = 24241376700. Its totient is φ = 24224710144.

The previous prime is 24233043413. The next prime is 24233043433. The reversal of 24233043421 is 12434033242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12434033242 = 2 ⋅6217016621.

It can be written as a sum of positive squares in 2 ways, for example, as 8809887321 + 15423156100 = 93861^2 + 124190^2 .

It is a cyclic number.

It is not a de Polignac number, because 24233043421 - 2³ = 24233043413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24233043421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24233083421) 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, 4162276 + ... + 4168093.

It is an arithmetic number, because the mean of its divisors is an integer number (6060344175).

Almost surely, 2^24233043421 is an apocalyptic number.

It is an amenable number.

24233043421 is a deficient number, since it is larger than the sum of its proper divisors (8333279).

24233043421 is an equidigital number, since it uses as much as digits as its factorization.

24233043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333278.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 24233043421 its reverse (12434033242), we get a palindrome (36667076663).

The spelling of 24233043421 in words is "twenty-four billion, two hundred thirty-three million, forty-three thousand, four hundred twenty-one".