40523315 has 16 divisors (see below), whose sum is σ = 55738368. Its totient is φ = 27705696.

The previous prime is 40523261. The next prime is 40523317. The reversal of 40523315 is 51332504.

40523315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40523315 - 2¹⁶ = 40457779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40523317) 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 in 15 ways as a sum of consecutive naturals, for example, 11894 + ... + 14916.

It is an arithmetic number, because the mean of its divisors is an integer number (3483648).

Almost surely, 2^40523315 is an apocalyptic number.

40523315 is a deficient number, since it is larger than the sum of its proper divisors (15215053).

40523315 is a wasteful number, since it uses less digits than its factorization.

40523315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40523315 is about 6365.7925665230. The cubic root of 40523315 is about 343.4801589210.

Adding to 40523315 its reverse (51332504), we get a palindrome (91855819).

The spelling of 40523315 in words is "forty million, five hundred twenty-three thousand, three hundred fifteen".