975623 has 8 divisors (see below), whose sum is σ = 1074576. Its totient is φ = 885720.

The previous prime is 975619. The next prime is 975629. The reversal of 975623 is 326579.

It is not a de Polignac number, because 975623 - 2² = 975619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 975623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (134322).

2⁹⁷⁵⁶²³ is an apocalyptic number.

975623 is a deficient number, since it is larger than the sum of its proper divisors (98953).

975623 is an equidigital number, since it uses as much as digits as its factorization.

975623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 744 counting only the distinct ones).

The product of its digits is 11340, while the sum is 32.

The square root of 975623 is about 987.7363008415. The cubic root of 975623 is about 99.1807397896.

It can be divided in two parts, 9756 and 23, that added together give a palindrome (9779).

The spelling of 975623 in words is "nine hundred seventy-five thousand, six hundred twenty-three".