75134423 has 16 divisors (see below), whose sum is σ = 93522240. Its totient is φ = 58772736.

The previous prime is 75134363. The next prime is 75134453. The reversal of 75134423 is 32443157.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 75134423 - 2²⁴ = 58357207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75134453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3461 + ... + 12737.

It is an arithmetic number, because the mean of its divisors is an integer number (5845140).

Almost surely, 2^75134423 is an apocalyptic number.

75134423 is a deficient number, since it is larger than the sum of its proper divisors (18387817).

75134423 is a wasteful number, since it uses less digits than its factorization.

75134423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9386.

The product of its digits is 10080, while the sum is 29.

The square root of 75134423 is about 8668.0114789956. The cubic root of 75134423 is about 421.9681306092.

It can be divided in two parts, 75134 and 423, that added together give a palindrome (75557).

The spelling of 75134423 in words is "seventy-five million, one hundred thirty-four thousand, four hundred twenty-three".