43240230413 has 4 divisors (see below), whose sum is σ = 43378378428. Its totient is φ = 43102082400.

The previous prime is 43240230389. The next prime is 43240230487. The reversal of 43240230413 is 31403204234.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12312787369 + 30927443044 = 110963^2 + 175862^2 .

It is a cyclic number.

It is not a de Polignac number, because 43240230413 - 2²⁴ = 43223453197 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 (43240230493) 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, 69073538 + ... + 69074163.

It is an arithmetic number, because the mean of its divisors is an integer number (10844594607).

Almost surely, 2^43240230413 is an apocalyptic number.

It is an amenable number.

43240230413 is a deficient number, since it is larger than the sum of its proper divisors (138148015).

43240230413 is a wasteful number, since it uses less digits than its factorization.

43240230413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138148014.

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

Adding to 43240230413 its reverse (31403204234), we get a palindrome (74643434647).

The spelling of 43240230413 in words is "forty-three billion, two hundred forty million, two hundred thirty thousand, four hundred thirteen".