40223413 has 2 divisors, whose sum is σ = 40223414. Its totient is φ = 40223412.

The previous prime is 40223371. The next prime is 40223423. The reversal of 40223413 is 31432204.

40223413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29615364 + 10608049 = 5442^2 + 3257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40223413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40223423) 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, 20111706 + 20111707.

It is an arithmetic number, because the mean of its divisors is an integer number (20111707).

Almost surely, 2^40223413 is an apocalyptic number.

It is an amenable number.

40223413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40223413 is an equidigital number, since it uses as much as digits as its factorization.

40223413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 40223413 is about 6342.1930749544. The cubic root of 40223413 is about 342.6307256678.

Adding to 40223413 its reverse (31432204), we get a palindrome (71655617).

The spelling of 40223413 in words is "forty million, two hundred twenty-three thousand, four hundred thirteen".