755723 has 4 divisors (see below), whose sum is σ = 757488. Its totient is φ = 753960.

The previous prime is 755719. The next prime is 755737. The reversal of 755723 is 327557.

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 755723 - 2² = 755719 is a prime.

It is a super-2 number, since 2×755723² = 1142234505458, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (754723) 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, 218 + ... + 1248.

It is an arithmetic number, because the mean of its divisors is an integer number (189372).

2⁷⁵⁵⁷²³ is an apocalyptic number.

755723 is a deficient number, since it is larger than the sum of its proper divisors (1765).

755723 is a wasteful number, since it uses less digits than its factorization.

755723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764.

The product of its digits is 7350, while the sum is 29.

The square root of 755723 is about 869.3233000444. The cubic root of 755723 is about 91.0865416709.

The spelling of 755723 in words is "seven hundred fifty-five thousand, seven hundred twenty-three".