43234000121 has 32 divisors (see below), whose sum is σ = 48310553088. Its totient is φ = 38437217280.

The previous prime is 43234000057. The next prime is 43234000157. The reversal of 43234000121 is 12100043234.

It is a cyclic number.

It is not a de Polignac number, because 43234000121 - 2⁶ = 43234000057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43234000093 and 43234000102.

It is not an unprimeable number, because it can be changed into a prime (43234006121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27519266 + ... + 27520836.

It is an arithmetic number, because the mean of its divisors is an integer number (1509704784).

Almost surely, 2^43234000121 is an apocalyptic number.

It is an amenable number.

43234000121 is a deficient number, since it is larger than the sum of its proper divisors (5076552967).

43234000121 is a wasteful number, since it uses less digits than its factorization.

43234000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 43234000121 its reverse (12100043234), we get a palindrome (55334043355).

The spelling of 43234000121 in words is "forty-three billion, two hundred thirty-four million, one hundred twenty-one", and thus it is an aban number.