43234401123 has 48 divisors (see below), whose sum is σ = 64053225600. Its totient is φ = 28093443840.

The previous prime is 43234401097. The next prime is 43234401163. The reversal of 43234401123 is 32110443234.

43234401123 is a `hidden beast` number, since 4 + 3 + 234 + 401 + 1 + 23 = 666.

It is not a de Polignac number, because 43234401123 - 2²¹ = 43232303971 is a prime.

It is a super-2 number, since 2×43234401123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43234401163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31765963 + ... + 31767323.

It is an arithmetic number, because the mean of its divisors is an integer number (1334442200).

Almost surely, 2^43234401123 is an apocalyptic number.

43234401123 is a deficient number, since it is larger than the sum of its proper divisors (20818824477).

43234401123 is a wasteful number, since it uses less digits than its factorization.

43234401123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1952 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43234401123 its reverse (32110443234), we get a palindrome (75344844357).

The spelling of 43234401123 in words is "forty-three billion, two hundred thirty-four million, four hundred one thousand, one hundred twenty-three".