965963623 has 2 divisors, whose sum is σ = 965963624. Its totient is φ = 965963622.

The previous prime is 965963597. The next prime is 965963641. The reversal of 965963623 is 326369569.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 965963623 - 2²¹ = 963866471 is a prime.

It is a super-2 number, since 2×965963623² = 1866171441918572258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (965967623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482981811 + 482981812.

It is an arithmetic number, because the mean of its divisors is an integer number (482981812).

Almost surely, 2^965963623 is an apocalyptic number.

965963623 is a deficient number, since it is larger than the sum of its proper divisors (1).

965963623 is an equidigital number, since it uses as much as digits as its factorization.

965963623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 49.

The square root of 965963623 is about 31079.9553249357. The cubic root of 965963623 is about 988.5233309465.

The spelling of 965963623 in words is "nine hundred sixty-five million, nine hundred sixty-three thousand, six hundred twenty-three".