10523144665 has 32 divisors (see below), whose sum is σ = 14412142080. Its totient is φ = 7307596800.

The previous prime is 10523144657. The next prime is 10523144669. The reversal of 10523144665 is 56644132501.

It is not a de Polignac number, because 10523144665 - 2³ = 10523144657 is a prime.

It is a super-2 number, since 2×10523144665² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10523144669) 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 in 31 ways as a sum of consecutive naturals, for example, 56341 + ... + 155629.

It is an arithmetic number, because the mean of its divisors is an integer number (450379440).

Almost surely, 2^10523144665 is an apocalyptic number.

It is an amenable number.

10523144665 is a deficient number, since it is larger than the sum of its proper divisors (3888997415).

10523144665 is a wasteful number, since it uses less digits than its factorization.

10523144665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99393.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 10523144665 in words is "ten billion, five hundred twenty-three million, one hundred forty-four thousand, six hundred sixty-five".