755423 has 4 divisors (see below), whose sum is σ = 757680. Its totient is φ = 753168.

The previous prime is 755413. The next prime is 755437. The reversal of 755423 is 324557.

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 755423 - 2¹⁰ = 754399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 755392 and 755401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515 + ... + 1332.

It is an arithmetic number, because the mean of its divisors is an integer number (189420).

2⁷⁵⁵⁴²³ is an apocalyptic number.

755423 is a deficient number, since it is larger than the sum of its proper divisors (2257).

755423 is a wasteful number, since it uses less digits than its factorization.

755423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256.

The product of its digits is 4200, while the sum is 26.

The square root of 755423 is about 869.1507349131. The cubic root of 755423 is about 91.0744871751.

The spelling of 755423 in words is "seven hundred fifty-five thousand, four hundred twenty-three".