966563023 has 4 divisors (see below), whose sum is σ = 968548240. Its totient is φ = 964577808.

The previous prime is 966563009. The next prime is 966563047. The reversal of 966563023 is 320365669.

It is a happy number.

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 966563023 - 2²⁵ = 933008591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966563053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 991878 + ... + 992851.

It is an arithmetic number, because the mean of its divisors is an integer number (242137060).

Almost surely, 2^966563023 is an apocalyptic number.

966563023 is a deficient number, since it is larger than the sum of its proper divisors (1985217).

966563023 is a wasteful number, since it uses less digits than its factorization.

966563023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985216.

The product of its (nonzero) digits is 174960, while the sum is 40.

The square root of 966563023 is about 31089.5967005042. The cubic root of 966563023 is about 988.7277549212.

The spelling of 966563023 in words is "nine hundred sixty-six million, five hundred sixty-three thousand, twenty-three".