2923663 has 4 divisors (see below), whose sum is σ = 3077560. Its totient is φ = 2769768.

The previous prime is 2923651. The next prime is 2923727. The reversal of 2923663 is 3663292.

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-2923663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2923633) 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, 76920 + ... + 76957.

It is an arithmetic number, because the mean of its divisors is an integer number (769390).

2^2923663 is an apocalyptic number.

2923663 is a deficient number, since it is larger than the sum of its proper divisors (153897).

2923663 is a wasteful number, since it uses less digits than its factorization.

2923663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153896.

The product of its digits is 11664, while the sum is 31.

The square root of 2923663 is about 1709.8722174478. The cubic root of 2923663 is about 142.9911318608.

The spelling of 2923663 in words is "two million, nine hundred twenty-three thousand, six hundred sixty-three".