43243333401 has 4 divisors (see below), whose sum is σ = 57657777872. Its totient is φ = 28828888932.

The previous prime is 43243333369. The next prime is 43243333453. The reversal of 43243333401 is 10433334234.

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 not a de Polignac number, because 43243333401 - 2⁵ = 43243333369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43243333481) 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, 7207222231 + ... + 7207222236.

It is an arithmetic number, because the mean of its divisors is an integer number (14414444468).

Almost surely, 2^43243333401 is an apocalyptic number.

It is an amenable number.

43243333401 is a deficient number, since it is larger than the sum of its proper divisors (14414444471).

43243333401 is a wasteful number, since it uses less digits than its factorization.

43243333401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14414444470.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 43243333401 its reverse (10433334234), we get a palindrome (53676667635).

The spelling of 43243333401 in words is "forty-three billion, two hundred forty-three million, three hundred thirty-three thousand, four hundred one".