134300523 has 24 divisors (see below), whose sum is σ = 209395200. Its totient is φ = 76340880.

The previous prime is 134300513. The next prime is 134300563. The reversal of 134300523 is 325003431.

It is not a de Polignac number, because 134300523 - 2⁸ = 134300267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 134300523.

It is not an unprimeable number, because it can be changed into a prime (134300513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26958 + ... + 31548.

It is an arithmetic number, because the mean of its divisors is an integer number (8724800).

Almost surely, 2^134300523 is an apocalyptic number.

134300523 is a deficient number, since it is larger than the sum of its proper divisors (75094677).

134300523 is a wasteful number, since it uses less digits than its factorization.

134300523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4807 (or 4800 counting only the distinct ones).

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

The square root of 134300523 is about 11588.8102495468. The cubic root of 134300523 is about 512.1052576462.

Adding to 134300523 its reverse (325003431), we get a palindrome (459303954).

The spelling of 134300523 in words is "one hundred thirty-four million, three hundred thousand, five hundred twenty-three".