2134823 has 4 divisors (see below), whose sum is σ = 2137848. Its totient is φ = 2131800.

The previous prime is 2134813. The next prime is 2134831. The reversal of 2134823 is 3284312.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2134823 - 2¹⁰ = 2133799 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁷ + 4² + 8³ + 2²¹ + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (534462).

2^2134823 is an apocalyptic number.

2134823 is a deficient number, since it is larger than the sum of its proper divisors (3025).

2134823 is a wasteful number, since it uses less digits than its factorization.

2134823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its digits is 1152, while the sum is 23.

The square root of 2134823 is about 1461.1033502118. The cubic root of 2134823 is about 128.7618746706.

The spelling of 2134823 in words is "two million, one hundred thirty-four thousand, eight hundred twenty-three".