40464223 has 2 divisors, whose sum is σ = 40464224. Its totient is φ = 40464222.

The previous prime is 40464217. The next prime is 40464241. The reversal of 40464223 is 32246404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40464223 - 2⁵ = 40464191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40464023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20232111 + 20232112.

It is an arithmetic number, because the mean of its divisors is an integer number (20232112).

Almost surely, 2^40464223 is an apocalyptic number.

40464223 is a deficient number, since it is larger than the sum of its proper divisors (1).

40464223 is an equidigital number, since it uses as much as digits as its factorization.

40464223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 40464223 is about 6361.1495030380. The cubic root of 40464223 is about 343.3131208972.

The spelling of 40464223 in words is "forty million, four hundred sixty-four thousand, two hundred twenty-three".