965540423 has 16 divisors (see below), whose sum is σ = 1026570240. Its totient is φ = 905580000.

The previous prime is 965540399. The next prime is 965540489. The reversal of 965540423 is 324045569.

It is a cyclic number.

It is not a de Polignac number, because 965540423 - 2²⁶ = 898431559 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 (965540623) 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 15 ways as a sum of consecutive naturals, for example, 1285298 + ... + 1286048.

It is an arithmetic number, because the mean of its divisors is an integer number (64160640).

Almost surely, 2^965540423 is an apocalyptic number.

965540423 is a deficient number, since it is larger than the sum of its proper divisors (61029817).

965540423 is a wasteful number, since it uses less digits than its factorization.

965540423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 965540423 is about 31073.1463324846. The cubic root of 965540423 is about 988.3789486350.

The spelling of 965540423 in words is "nine hundred sixty-five million, five hundred forty thousand, four hundred twenty-three".