4202023321 has 4 divisors (see below), whose sum is σ = 4252650192. Its totient is φ = 4151396452.

The previous prime is 4202023283. The next prime is 4202023367. The reversal of 4202023321 is 1233202024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4202023321 - 2²⁷ = 4067805593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202023381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25313311 + ... + 25313476.

It is an arithmetic number, because the mean of its divisors is an integer number (1063162548).

Almost surely, 2^4202023321 is an apocalyptic number.

It is an amenable number.

4202023321 is a deficient number, since it is larger than the sum of its proper divisors (50626871).

4202023321 is an equidigital number, since it uses as much as digits as its factorization.

4202023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50626870.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4202023321 is about 64823.0153649150. The cubic root of 4202023321 is about 1613.6876904680.

Adding to 4202023321 its reverse (1233202024), we get a palindrome (5435225345).

It can be divided in two parts, 42020 and 23321, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 4202023321 in words is "four billion, two hundred two million, twenty-three thousand, three hundred twenty-one".