40732423 has 2 divisors, whose sum is σ = 40732424. Its totient is φ = 40732422.

The previous prime is 40732411. The next prime is 40732441. The reversal of 40732423 is 32423704.

40732423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40732423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40732823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20366211 + 20366212.

It is an arithmetic number, because the mean of its divisors is an integer number (20366212).

Almost surely, 2^40732423 is an apocalyptic number.

40732423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40732423 is an equidigital number, since it uses as much as digits as its factorization.

40732423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 40732423 is about 6382.1957820173. The cubic root of 40732423 is about 344.0699532112.

The spelling of 40732423 in words is "forty million, seven hundred thirty-two thousand, four hundred twenty-three".