30423111 has 4 divisors (see below), whose sum is σ = 40564152. Its totient is φ = 20282072.

The previous prime is 30423109. The next prime is 30423131. The reversal of 30423111 is 11132403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11132403 = 3 ⋅3710801.

It is a cyclic number.

It is not a de Polignac number, because 30423111 - 2¹ = 30423109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5070516 + ... + 5070521.

It is an arithmetic number, because the mean of its divisors is an integer number (10141038).

Almost surely, 2^30423111 is an apocalyptic number.

30423111 is a deficient number, since it is larger than the sum of its proper divisors (10141041).

30423111 is a wasteful number, since it uses less digits than its factorization.

30423111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141040.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 30423111 is about 5515.7149128649. The cubic root of 30423111 is about 312.1772189277.

Adding to 30423111 its reverse (11132403), we get a palindrome (41555514).

The spelling of 30423111 in words is "thirty million, four hundred twenty-three thousand, one hundred eleven".