30643443323 has 4 divisors (see below), whose sum is σ = 30671378280. Its totient is φ = 30615508368.

The previous prime is 30643443317. The next prime is 30643443343. The reversal of 30643443323 is 32334434603.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30643443323 - 2³⁴ = 13463574139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30643443343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13965833 + ... + 13968026.

It is an arithmetic number, because the mean of its divisors is an integer number (7667844570).

Almost surely, 2^30643443323 is an apocalyptic number.

30643443323 is a deficient number, since it is larger than the sum of its proper divisors (27934957).

30643443323 is a wasteful number, since it uses less digits than its factorization.

30643443323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27934956.

The product of its (nonzero) digits is 186624, while the sum is 35.

Adding to 30643443323 its reverse (32334434603), we get a palindrome (62977877926).

The spelling of 30643443323 in words is "thirty billion, six hundred forty-three million, four hundred forty-three thousand, three hundred twenty-three".