945323983 has 4 divisors (see below), whose sum is σ = 949563328. Its totient is φ = 941084640.

The previous prime is 945323969. The next prime is 945323993. The reversal of 945323983 is 389323549.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945323983 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945323923) 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, 2119338 + ... + 2119783.

It is an arithmetic number, because the mean of its divisors is an integer number (237390832).

Almost surely, 2^945323983 is an apocalyptic number.

945323983 is a deficient number, since it is larger than the sum of its proper divisors (4239345).

945323983 is a wasteful number, since it uses less digits than its factorization.

945323983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239344.

The product of its digits is 699840, while the sum is 46.

The square root of 945323983 is about 30746.1214301902. The cubic root of 945323983 is about 981.4320252036.

The spelling of 945323983 in words is "nine hundred forty-five million, three hundred twenty-three thousand, nine hundred eighty-three".