30134523 has 16 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 18623616.

The previous prime is 30134497. The next prime is 30134537. The reversal of 30134523 is 32543103.

It is not a de Polignac number, because 30134523 - 2⁸ = 30134267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30134523.

It is not an unprimeable number, because it can be changed into a prime (30134543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993 + ... + 7826.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 2^30134523 is an apocalyptic number.

30134523 is a deficient number, since it is larger than the sum of its proper divisors (13048197).

30134523 is a wasteful number, since it uses less digits than its factorization.

30134523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8906.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30134523 is about 5489.4920530045. The cubic root of 30134523 is about 311.1869961667.

Adding to 30134523 its reverse (32543103), we get a palindrome (62677626).

The spelling of 30134523 in words is "thirty million, one hundred thirty-four thousand, five hundred twenty-three".