40523003 has 2 divisors, whose sum is σ = 40523004. Its totient is φ = 40523002.

The previous prime is 40522997. The next prime is 40523023. The reversal of 40523003 is 30032504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40523003 - 2⁶ = 40522939 is a prime.

It is a super-2 number, since 2×40523003² = 3284227544276018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40523023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20261501 + 20261502.

It is an arithmetic number, because the mean of its divisors is an integer number (20261502).

Almost surely, 2^40523003 is an apocalyptic number.

40523003 is a deficient number, since it is larger than the sum of its proper divisors (1).

40523003 is an equidigital number, since it uses as much as digits as its factorization.

40523003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 40523003 is about 6365.7680604936. The cubic root of 40523003 is about 343.4792774031.

Adding to 40523003 its reverse (30032504), we get a palindrome (70555507).

The spelling of 40523003 in words is "forty million, five hundred twenty-three thousand, three".