2134523 has 4 divisors (see below), whose sum is σ = 2140248. Its totient is φ = 2128800.

The previous prime is 2134519. The next prime is 2134529. The reversal of 2134523 is 3254312.

It is a happy number.

2134523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2134523 - 2² = 2134519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2134495 and 2134504.

It is not an unprimeable number, because it can be changed into a prime (2134529) 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, 2261 + ... + 3062.

It is an arithmetic number, because the mean of its divisors is an integer number (535062).

2^2134523 is an apocalyptic number.

2134523 is a deficient number, since it is larger than the sum of its proper divisors (5725).

2134523 is an equidigital number, since it uses as much as digits as its factorization.

2134523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5724.

The product of its digits is 720, while the sum is 20.

The square root of 2134523 is about 1461.0006844625. Note that the first 3 decimals coincide. The cubic root of 2134523 is about 128.7558428869.

Adding to 2134523 its reverse (3254312), we get a palindrome (5388835).

The spelling of 2134523 in words is "two million, one hundred thirty-four thousand, five hundred twenty-three".