4578923 has 2 divisors, whose sum is σ = 4578924. Its totient is φ = 4578922.

The previous prime is 4578913. The next prime is 4578929. The reversal of 4578923 is 3298754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4578923 - 2⁴ = 4578907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4578929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289461 + 2289462.

It is an arithmetic number, because the mean of its divisors is an integer number (2289462).

Almost surely, 2^4578923 is an apocalyptic number.

4578923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4578923 is an equidigital number, since it uses as much as digits as its factorization.

4578923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 38.

The square root of 4578923 is about 2139.8418165836. The cubic root of 4578923 is about 166.0559520101.

The spelling of 4578923 in words is "four million, five hundred seventy-eight thousand, nine hundred twenty-three".