30345923 has 2 divisors, whose sum is σ = 30345924. Its totient is φ = 30345922.

The previous prime is 30345877. The next prime is 30345929. The reversal of 30345923 is 32954303.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30345923 - 2¹⁶ = 30280387 is a prime.

It is not a weakly prime, because it can be changed into another prime (30345929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15172961 + 15172962.

It is an arithmetic number, because the mean of its divisors is an integer number (15172962).

Almost surely, 2^30345923 is an apocalyptic number.

30345923 is a deficient number, since it is larger than the sum of its proper divisors (1).

30345923 is an equidigital number, since it uses as much as digits as its factorization.

30345923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 30345923 is about 5508.7133706520. The cubic root of 30345923 is about 311.9129818414.

The spelling of 30345923 in words is "thirty million, three hundred forty-five thousand, nine hundred twenty-three".