43023320421 has 8 divisors (see below), whose sum is σ = 57479388000. Its totient is φ = 28624733232.

The previous prime is 43023320419. The next prime is 43023320423. The reversal of 43023320421 is 12402332034.

It is an interprime number because it is at equal distance from previous prime (43023320419) and next prime (43023320423).

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

It is not a de Polignac number, because 43023320421 - 2¹ = 43023320419 is a prime.

It is a super-2 number, since 2×43023320421² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43023320391 and 43023320400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43023320423) 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, 14368350 + ... + 14371343.

It is an arithmetic number, because the mean of its divisors is an integer number (7184923500).

Almost surely, 2^43023320421 is an apocalyptic number.

It is an amenable number.

43023320421 is a deficient number, since it is larger than the sum of its proper divisors (14456067579).

43023320421 is a wasteful number, since it uses less digits than its factorization.

43023320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28740195.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 43023320421 its reverse (12402332034), we get a palindrome (55425652455).

The spelling of 43023320421 in words is "forty-three billion, twenty-three million, three hundred twenty thousand, four hundred twenty-one".