3023440421 has 4 divisors (see below), whose sum is σ = 3039270144. Its totient is φ = 3007610700.

The previous prime is 3023440403. The next prime is 3023440507. The reversal of 3023440421 is 1240443203.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1240443203 = 163 ⋅7610081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3023440421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3023440621) 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 3 ways as a sum of consecutive naturals, for example, 7914575 + ... + 7914956.

It is an arithmetic number, because the mean of its divisors is an integer number (759817536).

Almost surely, 2^3023440421 is an apocalyptic number.

It is an amenable number.

3023440421 is a deficient number, since it is larger than the sum of its proper divisors (15829723).

3023440421 is a wasteful number, since it uses less digits than its factorization.

3023440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15829722.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3023440421 is about 54985.8201812067. The cubic root of 3023440421 is about 1445.9961555822.

Adding to 3023440421 its reverse (1240443203), we get a palindrome (4263883624).

The spelling of 3023440421 in words is "three billion, twenty-three million, four hundred forty thousand, four hundred twenty-one".