923443946 has 4 divisors (see below), whose sum is σ = 1385165922. Its totient is φ = 461721972.

The previous prime is 923443901. The next prime is 923443949. The reversal of 923443946 is 649344329.

923443946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 918756721 + 4687225 = 30311^2 + 2165^2 .

It is a junction number, because it is equal to n+sod(n) for n = 923443897 and 923443906.

It is not an unprimeable number, because it can be changed into a prime (923443949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230860985 + ... + 230860988.

Almost surely, 2^923443946 is an apocalyptic number.

923443946 is a deficient number, since it is larger than the sum of its proper divisors (461721976).

923443946 is a wasteful number, since it uses less digits than its factorization.

923443946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461721975.

The product of its digits is 559872, while the sum is 44.

The square root of 923443946 is about 30388.2205138768. The cubic root of 923443946 is about 973.8009176993.

The spelling of 923443946 in words is "nine hundred twenty-three million, four hundred forty-three thousand, nine hundred forty-six".