43109202823 has 16 divisors (see below), whose sum is σ = 43966203840. Its totient is φ = 42257376000.

The previous prime is 43109202817. The next prime is 43109202827. The reversal of 43109202823 is 32820290134.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43109202823 - 2¹³ = 43109194631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43109202827) 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, 39296811 + ... + 39297907.

It is an arithmetic number, because the mean of its divisors is an integer number (2747887740).

Almost surely, 2^43109202823 is an apocalyptic number.

43109202823 is a deficient number, since it is larger than the sum of its proper divisors (857001017).

43109202823 is a wasteful number, since it uses less digits than its factorization.

43109202823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 43109202823 its reverse (32820290134), we get a palindrome (75929492957).

The spelling of 43109202823 in words is "forty-three billion, one hundred nine million, two hundred two thousand, eight hundred twenty-three".