2997923 has 4 divisors (see below), whose sum is σ = 3003168. Its totient is φ = 2992680.

The previous prime is 2997919. The next prime is 2997947. The reversal of 2997923 is 3297992.

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

It is a cyclic number.

It is not a de Polignac number, because 2997923 - 2² = 2997919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2997913) 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, 1643 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (750792).

2^2997923 is an apocalyptic number.

2997923 is a deficient number, since it is larger than the sum of its proper divisors (5245).

2997923 is an equidigital number, since it uses as much as digits as its factorization.

2997923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244.

The product of its digits is 61236, while the sum is 41.

The square root of 2997923 is about 1731.4511255014. The cubic root of 2997923 is about 144.1916654315.

The spelling of 2997923 in words is "two million, nine hundred ninety-seven thousand, nine hundred twenty-three".