4432012123 has 24 divisors (see below), whose sum is σ = 5805748224. Its totient is φ = 3342099600.

The previous prime is 4432012111. The next prime is 4432012129. The reversal of 4432012123 is 3212102344.

It is not a de Polignac number, because 4432012123 - 2²⁵ = 4398457691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4432012094 and 4432012103.

It is not an unprimeable number, because it can be changed into a prime (4432012129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115915 + ... + 149332.

It is an arithmetic number, because the mean of its divisors is an integer number (241906176).

Almost surely, 2^4432012123 is an apocalyptic number.

4432012123 is a deficient number, since it is larger than the sum of its proper divisors (1373736101).

4432012123 is a wasteful number, since it uses less digits than its factorization.

4432012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265303 (or 265296 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4432012123 is about 66573.3589583701. The cubic root of 4432012123 is about 1642.6069141578.

Adding to 4432012123 its reverse (3212102344), we get a palindrome (7644114467).

The spelling of 4432012123 in words is "four billion, four hundred thirty-two million, twelve thousand, one hundred twenty-three".