40364523 has 6 divisors (see below), whose sum is σ = 58304324. Its totient is φ = 26909676.

The previous prime is 40364509. The next prime is 40364539. The reversal of 40364523 is 32546304.

It is not a de Polignac number, because 40364523 - 2⁴ = 40364507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40364593) 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 in 5 ways as a sum of consecutive naturals, for example, 2242465 + ... + 2242482.

Almost surely, 2^40364523 is an apocalyptic number.

40364523 is a deficient number, since it is larger than the sum of its proper divisors (17939801).

40364523 is a wasteful number, since it uses less digits than its factorization.

40364523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484953 (or 4484950 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 40364523 is about 6353.3080359762. The cubic root of 40364523 is about 343.0309253680.

The spelling of 40364523 in words is "forty million, three hundred sixty-four thousand, five hundred twenty-three".