975823 has 2 divisors, whose sum is σ = 975824. Its totient is φ = 975822.

The previous prime is 975811. The next prime is 975827. The reversal of 975823 is 328579.

It is a strong prime.

It is an emirp because it is prime and its reverse (328579) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (975827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487911 + 487912.

It is an arithmetic number, because the mean of its divisors is an integer number (487912).

2⁹⁷⁵⁸²³ is an apocalyptic number.

975823 is a deficient number, since it is larger than the sum of its proper divisors (1).

975823 is an equidigital number, since it uses as much as digits as its factorization.

975823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 34.

The square root of 975823 is about 987.8375372499. The cubic root of 975823 is about 99.1875165851.

The spelling of 975823 in words is "nine hundred seventy-five thousand, eight hundred twenty-three".