2134642523 has 16 divisors (see below), whose sum is σ = 2311545600. Its totient is φ = 1959593376.

The previous prime is 2134642513. The next prime is 2134642529. The reversal of 2134642523 is 3252464312.

It is not a de Polignac number, because 2134642523 - 2⁶ = 2134642459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134642523.

It is not an unprimeable number, because it can be changed into a prime (2134642529) 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, 3563378 + ... + 3563976.

It is an arithmetic number, because the mean of its divisors is an integer number (144471600).

Almost surely, 2^2134642523 is an apocalyptic number.

2134642523 is a deficient number, since it is larger than the sum of its proper divisors (176903077).

2134642523 is a wasteful number, since it uses less digits than its factorization.

2134642523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666.

The product of its digits is 34560, while the sum is 32.

The square root of 2134642523 is about 46202.1917553702. The cubic root of 2134642523 is about 1287.5824607756.

The spelling of 2134642523 in words is "two billion, one hundred thirty-four million, six hundred forty-two thousand, five hundred twenty-three".