30442423 has 8 divisors (see below), whose sum is σ = 33379200. Its totient is φ = 27533880.

The previous prime is 30442411. The next prime is 30442429. The reversal of 30442423 is 32424403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30442423 - 2¹³ = 30434231 is a prime.

It is a super-2 number, since 2×30442423² = 1853482236221858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30442394 and 30442403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30442429) 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 in 7 ways as a sum of consecutive naturals, for example, 4765 + ... + 9142.

It is an arithmetic number, because the mean of its divisors is an integer number (4172400).

Almost surely, 2^30442423 is an apocalyptic number.

30442423 is a deficient number, since it is larger than the sum of its proper divisors (2936777).

30442423 is a wasteful number, since it uses less digits than its factorization.

30442423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14117.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 30442423 is about 5517.4652694874. The cubic root of 30442423 is about 312.2432596345.

Adding to 30442423 its reverse (32424403), we get a palindrome (62866826).

The spelling of 30442423 in words is "thirty million, four hundred forty-two thousand, four hundred twenty-three".