4021145323 has 8 divisors (see below), whose sum is σ = 4336431008. Its totient is φ = 3706712064.

The previous prime is 4021145299. The next prime is 4021145327. The reversal of 4021145323 is 3235411204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4021145323 - 2⁵ = 4021145291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021145327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203286 + ... + 222187.

It is an arithmetic number, because the mean of its divisors is an integer number (542053876).

Almost surely, 2^4021145323 is an apocalyptic number.

4021145323 is a deficient number, since it is larger than the sum of its proper divisors (315285685).

4021145323 is a wasteful number, since it uses less digits than its factorization.

4021145323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426213.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4021145323 is about 63412.5013148038. The cubic root of 4021145323 is about 1590.1933131255.

Adding to 4021145323 its reverse (3235411204), we get a palindrome (7256556527).

The spelling of 4021145323 in words is "four billion, twenty-one million, one hundred forty-five thousand, three hundred twenty-three".