43300340421 has 16 divisors (see below), whose sum is σ = 62207154240. Its totient is φ = 26632517760.

The previous prime is 43300340411. The next prime is 43300340429. The reversal of 43300340421 is 12404300334.

It is a de Polignac number, because none of the positive numbers 2^k-43300340421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43300340391 and 43300340400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43300340429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212176 + ... + 362793.

It is an arithmetic number, because the mean of its divisors is an integer number (3887947140).

Almost surely, 2^43300340421 is an apocalyptic number.

It is an amenable number.

43300340421 is a deficient number, since it is larger than the sum of its proper divisors (18906813819).

43300340421 is a wasteful number, since it uses less digits than its factorization.

43300340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576916.

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

Adding to 43300340421 its reverse (12404300334), we get a palindrome (55704640755).

The spelling of 43300340421 in words is "forty-three billion, three hundred million, three hundred forty thousand, four hundred twenty-one".