923737973161 has 4 divisors (see below), whose sum is σ = 978075501012. Its totient is φ = 869400445312.

The previous prime is 923737973149. The next prime is 923737973167. The reversal of 923737973161 is 161379737329.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 399480882025 + 524257091136 = 632045^2 + 724056^2 .

It is a cyclic number.

It is not a de Polignac number, because 923737973161 - 2⁵ = 923737973129 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 923737973096 and 923737973105.

It is not an unprimeable number, because it can be changed into a prime (923737973167) 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 3 ways as a sum of consecutive naturals, for example, 27168763900 + ... + 27168763933.

It is an arithmetic number, because the mean of its divisors is an integer number (244518875253).

Almost surely, 2^923737973161 is an apocalyptic number.

It is an amenable number.

923737973161 is a deficient number, since it is larger than the sum of its proper divisors (54337527851).

923737973161 is a wasteful number, since it uses less digits than its factorization.

923737973161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54337527850.

The product of its digits is 9001692, while the sum is 58.

The spelling of 923737973161 in words is "nine hundred twenty-three billion, seven hundred thirty-seven million, nine hundred seventy-three thousand, one hundred sixty-one".