30199423 has 2 divisors, whose sum is σ = 30199424. Its totient is φ = 30199422.

The previous prime is 30199397. The next prime is 30199441. The reversal of 30199423 is 32499103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30199423 is a prime.

It is equal to p_1869502 and since 30199423 and 1869502 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30199223) 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, 15099711 + 15099712.

It is an arithmetic number, because the mean of its divisors is an integer number (15099712).

Almost surely, 2^30199423 is an apocalyptic number.

30199423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30199423 is an equidigital number, since it uses as much as digits as its factorization.

30199423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 30199423 is about 5495.4001674127. The cubic root of 30199423 is about 311.4102346409.

The spelling of 30199423 in words is "thirty million, one hundred ninety-nine thousand, four hundred twenty-three".