30423442 has 16 divisors (see below), whose sum is σ = 52618752. Its totient is φ = 12922560.

The previous prime is 30423413. The next prime is 30423473. The reversal of 30423442 is 24432403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8034 + ... + 11197.

It is an arithmetic number, because the mean of its divisors is an integer number (3288672).

Almost surely, 2^30423442 is an apocalyptic number.

30423442 is a deficient number, since it is larger than the sum of its proper divisors (22195310).

30423442 is a wasteful number, since it uses less digits than its factorization.

30423442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19353.

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

The square root of 30423442 is about 5515.7449179599. The cubic root of 30423442 is about 312.1783510746.

Adding to 30423442 its reverse (24432403), we get a palindrome (54855845).

The spelling of 30423442 in words is "thirty million, four hundred twenty-three thousand, four hundred forty-two".