43024303421 has 4 divisors (see below), whose sum is σ = 46935603744. Its totient is φ = 39113003100.

The previous prime is 43024303397. The next prime is 43024303453. The reversal of 43024303421 is 12430342034.

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.

It is a cyclic number.

It is not a de Polignac number, because 43024303421 - 2¹⁰ = 43024302397 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 (43024303121) 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, 1955650145 + ... + 1955650166.

It is an arithmetic number, because the mean of its divisors is an integer number (11733900936).

Almost surely, 2^43024303421 is an apocalyptic number.

It is an amenable number.

43024303421 is a deficient number, since it is larger than the sum of its proper divisors (3911300323).

43024303421 is a wasteful number, since it uses less digits than its factorization.

43024303421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911300322.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 43024303421 its reverse (12430342034), we get a palindrome (55454645455).

The spelling of 43024303421 in words is "forty-three billion, twenty-four million, three hundred three thousand, four hundred twenty-one".