923166994 has 4 divisors (see below), whose sum is σ = 1384750494. Its totient is φ = 461583496.

The previous prime is 923166961. The next prime is 923167009. The reversal of 923166994 is 499661329.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499661329 = 29 ⋅17229701.

It can be written as a sum of positive squares in only one way, i.e., 610337025 + 312829969 = 24705^2 + 17687^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230791747 + ... + 230791750.

Almost surely, 2^923166994 is an apocalyptic number.

923166994 is a deficient number, since it is larger than the sum of its proper divisors (461583500).

923166994 is a wasteful number, since it uses less digits than its factorization.

923166994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461583499.

The product of its digits is 629856, while the sum is 49.

The square root of 923166994 is about 30383.6632748587. The cubic root of 923166994 is about 973.7035564106.

The spelling of 923166994 in words is "nine hundred twenty-three million, one hundred sixty-six thousand, nine hundred ninety-four".