4008523 has 2 divisors, whose sum is σ = 4008524. Its totient is φ = 4008522.

The previous prime is 4008461. The next prime is 4008551. The reversal of 4008523 is 3258004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4008523 - 2¹⁷ = 3877451 is a prime.

It is an Ulam number.

4008523 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4008494 and 4008503.

It is not a weakly prime, because it can be changed into another prime (4008023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2004261 + 2004262.

It is an arithmetic number, because the mean of its divisors is an integer number (2004262).

Almost surely, 2^4008523 is an apocalyptic number.

4008523 is a deficient number, since it is larger than the sum of its proper divisors (1).

4008523 is an equidigital number, since it uses as much as digits as its factorization.

4008523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4008523 is about 2002.1296161837. The cubic root of 4008523 is about 158.8527703739.

The spelling of 4008523 in words is "four million, eight thousand, five hundred twenty-three".