10665001323 has 40 divisors (see below), whose sum is σ = 17324822592. Its totient is φ = 6510875904.

The previous prime is 10665001309. The next prime is 10665001339. The reversal of 10665001323 is 32310056601.

10665001323 is a `hidden beast` number, since 1 + 0 + 6 + 650 + 0 + 1 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 10665001323 - 2¹² = 10664997227 is a prime.

It is a super-2 number, since 2×10665001323² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10665001223) 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 39 ways as a sum of consecutive naturals, for example, 53715 + ... + 155612.

Almost surely, 2^10665001323 is an apocalyptic number.

10665001323 is a deficient number, since it is larger than the sum of its proper divisors (6659821269).

10665001323 is a wasteful number, since it uses less digits than its factorization.

10665001323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209393 (or 209384 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 10665001323 its reverse (32310056601), we get a palindrome (42975057924).

The spelling of 10665001323 in words is "ten billion, six hundred sixty-five million, one thousand, three hundred twenty-three".