30190423 has 2 divisors, whose sum is σ = 30190424. Its totient is φ = 30190422.

The previous prime is 30190417. The next prime is 30190441. The reversal of 30190423 is 32409103.

It is a weak prime.

It is an emirp because it is prime and its reverse (32409103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30190423 - 2⁹ = 30189911 is a prime.

It is a super-2 number, since 2×30190423² = 1822923281837858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30190394 and 30190403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30190463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15095211 + 15095212.

It is an arithmetic number, because the mean of its divisors is an integer number (15095212).

Almost surely, 2^30190423 is an apocalyptic number.

30190423 is a deficient number, since it is larger than the sum of its proper divisors (1).

30190423 is an equidigital number, since it uses as much as digits as its factorization.

30190423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 30190423 is about 5494.5812397306. The cubic root of 30190423 is about 311.3792961847.

Adding to 30190423 its reverse (32409103), we get a palindrome (62599526).

The spelling of 30190423 in words is "thirty million, one hundred ninety thousand, four hundred twenty-three".