994049023 has 4 divisors (see below), whose sum is σ = 1084417128. Its totient is φ = 903680920.

The previous prime is 994049003. The next prime is 994049027. The reversal of 994049023 is 320940499.

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-994049023 is a prime.

It is a Smith number, since the sum of its digits (40) 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (994049027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45184036 + ... + 45184057.

It is an arithmetic number, because the mean of its divisors is an integer number (271104282).

Almost surely, 2^994049023 is an apocalyptic number.

994049023 is a deficient number, since it is larger than the sum of its proper divisors (90368105).

994049023 is a wasteful number, since it uses less digits than its factorization.

994049023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90368104.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 994049023 is about 31528.5429888538. The cubic root of 994049023 is about 998.0123930360.

The spelling of 994049023 in words is "nine hundred ninety-four million, forty-nine thousand, twenty-three".