965623 has 2 divisors, whose sum is σ = 965624. Its totient is φ = 965622.

The previous prime is 965621. The next prime is 965639. The reversal of 965623 is 326569.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 965623 - 2¹ = 965621 is a prime.

Together with 965621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482811 + 482812.

It is an arithmetic number, because the mean of its divisors is an integer number (482812).

2⁹⁶⁵⁶²³ is an apocalyptic number.

965623 is a deficient number, since it is larger than the sum of its proper divisors (1).

965623 is an equidigital number, since it uses as much as digits as its factorization.

965623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 965623 is about 982.6611827074. The cubic root of 965623 is about 98.8407124580.

The spelling of 965623 in words is "nine hundred sixty-five thousand, six hundred twenty-three".