12303242421 has 8 divisors (see below), whose sum is σ = 16405012224. Its totient is φ = 8201817120.

The previous prime is 12303242407. The next prime is 12303242423. The reversal of 12303242421 is 12424230321.

It is a happy number.

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

It is not a de Polignac number, because 12303242421 - 2¹⁹ = 12302718133 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12303242391 and 12303242400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303242423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13756 + ... + 157466.

It is an arithmetic number, because the mean of its divisors is an integer number (2050626528).

Almost surely, 2^12303242421 is an apocalyptic number.

It is an amenable number.

12303242421 is a deficient number, since it is larger than the sum of its proper divisors (4101769803).

12303242421 is a wasteful number, since it uses less digits than its factorization.

12303242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172251.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12303242421 its reverse (12424230321), we get a palindrome (24727472742).

The spelling of 12303242421 in words is "twelve billion, three hundred three million, two hundred forty-two thousand, four hundred twenty-one".