4102323021 has 12 divisors (see below), whose sum is σ = 5956604160. Its totient is φ = 2720562120.

The previous prime is 4102323007. The next prime is 4102323047. The reversal of 4102323021 is 1203232014.

4102323021 is a `hidden beast` number, since 410 + 2 + 3 + 230 + 21 = 666.

It is not a de Polignac number, because 4102323021 - 2⁶ = 4102322957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4102322985 and 4102323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102323061) 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 11 ways as a sum of consecutive naturals, for example, 1191511 + ... + 1194948.

It is an arithmetic number, because the mean of its divisors is an integer number (496383680).

Almost surely, 2^4102323021 is an apocalyptic number.

It is an amenable number.

4102323021 is a deficient number, since it is larger than the sum of its proper divisors (1854281139).

4102323021 is a wasteful number, since it uses less digits than its factorization.

4102323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386656 (or 2386653 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4102323021 is about 64049.3795520300. The cubic root of 4102323021 is about 1600.8228867394.

Adding to 4102323021 its reverse (1203232014), we get a palindrome (5305555035).

The spelling of 4102323021 in words is "four billion, one hundred two million, three hundred twenty-three thousand, twenty-one".