30212123423 has 2 divisors, whose sum is σ = 30212123424. Its totient is φ = 30212123422.

The previous prime is 30212123387. The next prime is 30212123443. The reversal of 30212123423 is 32432121203.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30212123423 - 2⁸ = 30212123167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30212123443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15106061711 + 15106061712.

It is an arithmetic number, because the mean of its divisors is an integer number (15106061712).

Almost surely, 2^30212123423 is an apocalyptic number.

30212123423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30212123423 is an equidigital number, since it uses as much as digits as its factorization.

30212123423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30212123423 its reverse (32432121203), we get a palindrome (62644244626).

The spelling of 30212123423 in words is "thirty billion, two hundred twelve million, one hundred twenty-three thousand, four hundred twenty-three".