4200523 has 2 divisors, whose sum is σ = 4200524. Its totient is φ = 4200522.

The previous prime is 4200487. The next prime is 4200527. The reversal of 4200523 is 3250024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4200523 - 2¹⁷ = 4069451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4200497 and 4200506.

It is not a weakly prime, because it can be changed into another prime (4200527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100261 + 2100262.

It is an arithmetic number, because the mean of its divisors is an integer number (2100262).

Almost surely, 2^4200523 is an apocalyptic number.

4200523 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200523 is an equidigital number, since it uses as much as digits as its factorization.

4200523 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4200523 is about 2049.5177481544. The cubic root of 4200523 is about 161.3495613339.

Adding to 4200523 its reverse (3250024), we get a palindrome (7450547).

The spelling of 4200523 in words is "four million, two hundred thousand, five hundred twenty-three".