43231324873 has 4 divisors (see below), whose sum is σ = 47161445328. Its totient is φ = 39301204420.

The previous prime is 43231324861. The next prime is 43231324909. The reversal of 43231324873 is 37842313234.

It is a happy number.

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 43231324873 - 2⁹ = 43231324361 is a prime.

It is a super-2 number, since 2×43231324873² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43231324273) 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, 1965060211 + ... + 1965060232.

It is an arithmetic number, because the mean of its divisors is an integer number (11790361332).

Almost surely, 2^43231324873 is an apocalyptic number.

It is an amenable number.

43231324873 is a deficient number, since it is larger than the sum of its proper divisors (3930120455).

43231324873 is a wasteful number, since it uses less digits than its factorization.

43231324873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930120454.

The product of its digits is 290304, while the sum is 40.

The spelling of 43231324873 in words is "forty-three billion, two hundred thirty-one million, three hundred twenty-four thousand, eight hundred seventy-three".