4323301921 has 2 divisors, whose sum is σ = 4323301922. Its totient is φ = 4323301920.

The previous prime is 4323301919. The next prime is 4323301951. The reversal of 4323301921 is 1291033234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2752051600 + 1571250321 = 52460^2 + 39639^2 .

It is a cyclic number.

It is not a de Polignac number, because 4323301921 - 2¹ = 4323301919 is a prime.

Together with 4323301919, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4323301921.

It is not a weakly prime, because it can be changed into another prime (4323301951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161650960 + 2161650961.

It is an arithmetic number, because the mean of its divisors is an integer number (2161650961).

Almost surely, 2^4323301921 is an apocalyptic number.

It is an amenable number.

4323301921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323301921 is an equidigital number, since it uses as much as digits as its factorization.

4323301921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 4323301921 is about 65751.8206668074. The cubic root of 4323301921 is about 1629.0654083819.

The spelling of 4323301921 in words is "four billion, three hundred twenty-three million, three hundred one thousand, nine hundred twenty-one".