971109222923 has 16 divisors (see below), whose sum is σ = 1137095795136. Its totient is φ = 811943516160.

The previous prime is 971109222869. The next prime is 971109222943. The reversal of 971109222923 is 329222901179.

It is a happy number.

It is not a de Polignac number, because 971109222923 - 2⁶ = 971109222859 is a prime.

It is a super-2 number, since 2×971109222923² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (971109222943) 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 15 ways as a sum of consecutive naturals, for example, 1484315 + ... + 2036027.

It is an arithmetic number, because the mean of its divisors is an integer number (71068487196).

Almost surely, 2^971109222923 is an apocalyptic number.

971109222923 is a deficient number, since it is larger than the sum of its proper divisors (165986572213).

971109222923 is a wasteful number, since it uses less digits than its factorization.

971109222923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557894.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 971109222923 in words is "nine hundred seventy-one billion, one hundred nine million, two hundred twenty-two thousand, nine hundred twenty-three".