40532423 has 2 divisors, whose sum is σ = 40532424. Its totient is φ = 40532422.

The previous prime is 40532399. The next prime is 40532449. The reversal of 40532423 is 32423504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40532423 - 2¹⁶ = 40466887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40532473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20266211 + 20266212.

It is an arithmetic number, because the mean of its divisors is an integer number (20266212).

Almost surely, 2^40532423 is an apocalyptic number.

40532423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40532423 is an equidigital number, since it uses as much as digits as its factorization.

40532423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40532423 is about 6366.5079125059. The cubic root of 40532423 is about 343.5058904695.

Adding to 40532423 its reverse (32423504), we get a palindrome (72955927).

The spelling of 40532423 in words is "forty million, five hundred thirty-two thousand, four hundred twenty-three".