30123211039 has 2 divisors, whose sum is σ = 30123211040. Its totient is φ = 30123211038.

The previous prime is 30123211037. The next prime is 30123211121. The reversal of 30123211039 is 93011232103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30123211039 - 2¹ = 30123211037 is a prime.

Together with 30123211037, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30123211031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061605519 + 15061605520.

It is an arithmetic number, because the mean of its divisors is an integer number (15061605520).

Almost surely, 2^30123211039 is an apocalyptic number.

30123211039 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123211039 is an equidigital number, since it uses as much as digits as its factorization.

30123211039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 30123211039 in words is "thirty billion, one hundred twenty-three million, two hundred eleven thousand, thirty-nine".