30321222220423 has 2 divisors, whose sum is σ = 30321222220424. Its totient is φ = 30321222220422.

The previous prime is 30321222220397. The next prime is 30321222220447. The reversal of 30321222220423 is 32402222212303.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30321222220423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30321222220391 and 30321222220400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30321222220493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160611110211 + 15160611110212.

It is an arithmetic number, because the mean of its divisors is an integer number (15160611110212).

Almost surely, 2^{30321222220423} is an apocalyptic number.

30321222220423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321222220423 is an equidigital number, since it uses as much as digits as its factorization.

30321222220423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30321222220423 its reverse (32402222212303), we get a palindrome (62723444432726).

The spelling of 30321222220423 in words is "thirty trillion, three hundred twenty-one billion, two hundred twenty-two million, two hundred twenty thousand, four hundred twenty-three".