4520023 has 2 divisors, whose sum is σ = 4520024. Its totient is φ = 4520022.

The previous prime is 4520003. The next prime is 4520051. The reversal of 4520023 is 3200254.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4520023 is a prime.

4520023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4519979 and 4520006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4520003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260011 + 2260012.

It is an arithmetic number, because the mean of its divisors is an integer number (2260012).

Almost surely, 2^4520023 is an apocalyptic number.

4520023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520023 is an equidigital number, since it uses as much as digits as its factorization.

4520023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 4520023 is about 2126.0345716850. The cubic root of 4520023 is about 165.3408686335.

Adding to 4520023 its reverse (3200254), we get a palindrome (7720277).

The spelling of 4520023 in words is "four million, five hundred twenty thousand, twenty-three".