30212323 has 2 divisors, whose sum is σ = 30212324. Its totient is φ = 30212322.

The previous prime is 30212311. The next prime is 30212333. The reversal of 30212323 is 32321203.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30212323 is a prime.

It is a super-2 number, since 2×30212323² = 1825568922112658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30212297 and 30212306.

It is not a weakly prime, because it can be changed into another prime (30212333) 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, 15106161 + 15106162.

It is an arithmetic number, because the mean of its divisors is an integer number (15106162).

Almost surely, 2^30212323 is an apocalyptic number.

30212323 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212323 is an equidigital number, since it uses as much as digits as its factorization.

30212323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30212323 is about 5496.5737509834. The cubic root of 30212323 is about 311.4545690438.

Adding to 30212323 its reverse (32321203), we get a palindrome (62533526).

The spelling of 30212323 in words is "thirty million, two hundred twelve thousand, three hundred twenty-three".