965423643 has 16 divisors (see below), whose sum is σ = 1344030720. Its totient is φ = 615250944.

The previous prime is 965423639. The next prime is 965423677. The reversal of 965423643 is 346324569.

965423643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 965423643 - 2² = 965423639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 965423595 and 965423604.

It is not an unprimeable number, because it can be changed into a prime (965423743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144603 + ... + 151131.

It is an arithmetic number, because the mean of its divisors is an integer number (84001920).

Almost surely, 2^965423643 is an apocalyptic number.

965423643 is a deficient number, since it is larger than the sum of its proper divisors (378607077).

965423643 is a wasteful number, since it uses less digits than its factorization.

965423643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8698.

The product of its digits is 466560, while the sum is 42.

The square root of 965423643 is about 31071.2671611571. The cubic root of 965423643 is about 988.3390996052.

The spelling of 965423643 in words is "nine hundred sixty-five million, four hundred twenty-three thousand, six hundred forty-three".