4023030321 has 10 divisors (see below), whose sum is σ = 6009712082. Its totient is φ = 2682020160.

The previous prime is 4023030317. The next prime is 4023030353. The reversal of 4023030321 is 1230303204.

4023030321 is a `hidden beast` number, since 40 + 2 + 303 + 0 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3138800625 + 884229696 = 56025^2 + 29736^2 .

It is not a de Polignac number, because 4023030321 - 2² = 4023030317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4023030294 and 4023030303.

It is not an unprimeable number, because it can be changed into a prime (4023035321) 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 9 ways as a sum of consecutive naturals, for example, 24833440 + ... + 24833601.

Almost surely, 2^4023030321 is an apocalyptic number.

It is an amenable number.

4023030321 is a deficient number, since it is larger than the sum of its proper divisors (1986681761).

4023030321 is an equidigital number, since it uses as much as digits as its factorization.

4023030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49667053 (or 49667044 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 4023030321 is about 63427.3625574956. The cubic root of 4023030321 is about 1590.4417533678.

Adding to 4023030321 its reverse (1230303204), we get a palindrome (5253333525).

The spelling of 4023030321 in words is "four billion, twenty-three million, thirty thousand, three hundred twenty-one".