4045032123 has 16 divisors (see below), whose sum is σ = 5941942272. Its totient is φ = 2427260000.

The previous prime is 4045032119. The next prime is 4045032137. The reversal of 4045032123 is 3212305404.

It is not a de Polignac number, because 4045032123 - 2² = 4045032119 is a prime.

It is a super-2 number, since 2×4045032123² = 32724569752203774258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4045032093 and 4045032102.

It is not an unprimeable number, because it can be changed into a prime (4045012123) 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 15 ways as a sum of consecutive naturals, for example, 603483 + ... + 610148.

It is an arithmetic number, because the mean of its divisors is an integer number (371371392).

Almost surely, 2^4045032123 is an apocalyptic number.

4045032123 is a deficient number, since it is larger than the sum of its proper divisors (1896910149).

4045032123 is a wasteful number, since it uses less digits than its factorization.

4045032123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213746.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4045032123 is about 63600.5670021895. The cubic root of 4045032123 is about 1593.3358393206.

Adding to 4045032123 its reverse (3212305404), we get a palindrome (7257337527).

The spelling of 4045032123 in words is "four billion, forty-five million, thirty-two thousand, one hundred twenty-three".