43220023701 has 4 divisors (see below), whose sum is σ = 57626698272. Its totient is φ = 28813349132.

The previous prime is 43220023643. The next prime is 43220023739. The reversal of 43220023701 is 10732002234.

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 a cyclic number.

It is not a de Polignac number, because 43220023701 - 2²⁵ = 43186469269 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43220023201) 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, 7203337281 + ... + 7203337286.

It is an arithmetic number, because the mean of its divisors is an integer number (14406674568).

Almost surely, 2^43220023701 is an apocalyptic number.

It is an amenable number.

43220023701 is a deficient number, since it is larger than the sum of its proper divisors (14406674571).

43220023701 is a wasteful number, since it uses less digits than its factorization.

43220023701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14406674570.

The product of its (nonzero) digits is 2016, while the sum is 24.

Adding to 43220023701 its reverse (10732002234), we get a palindrome (53952025935).

The spelling of 43220023701 in words is "forty-three billion, two hundred twenty million, twenty-three thousand, seven hundred one".