30434023 has 4 divisors (see below), whose sum is σ = 30475728. Its totient is φ = 30392320.

The previous prime is 30434011. The next prime is 30434057. The reversal of 30434023 is 32043403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30434023 - 2¹³ = 30425831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30434003) 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 3 ways as a sum of consecutive naturals, for example, 19738 + ... + 21223.

It is an arithmetic number, because the mean of its divisors is an integer number (7618932).

Almost surely, 2^30434023 is an apocalyptic number.

30434023 is a deficient number, since it is larger than the sum of its proper divisors (41705).

30434023 is an equidigital number, since it uses as much as digits as its factorization.

30434023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41704.

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 30434023 is about 5516.7039978596. The cubic root of 30434023 is about 312.2145378224.

Adding to 30434023 its reverse (32043403), we get a palindrome (62477426).

The spelling of 30434023 in words is "thirty million, four hundred thirty-four thousand, twenty-three".