43242034201 has 4 divisors (see below), whose sum is σ = 44296718004. Its totient is φ = 42187350400.

The previous prime is 43242034193. The next prime is 43242034223. The reversal of 43242034201 is 10243024234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10243024234 = 2 ⋅5121512117.

It can be written as a sum of positive squares in 2 ways, for example, as 6997489801 + 36244544400 = 83651^2 + 190380^2 .

It is a cyclic number.

It is not a de Polignac number, because 43242034201 - 2³ = 43242034193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43242044201) 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, 527341840 + ... + 527341921.

It is an arithmetic number, because the mean of its divisors is an integer number (11074179501).

Almost surely, 2^43242034201 is an apocalyptic number.

43242034201 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

43242034201 is a deficient number, since it is larger than the sum of its proper divisors (1054683803).

43242034201 is a wasteful number, since it uses less digits than its factorization.

43242034201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054683802.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43242034201 its reverse (10243024234), we get a palindrome (53485058435).

The spelling of 43242034201 in words is "forty-three billion, two hundred forty-two million, thirty-four thousand, two hundred one".