40248923 has 16 divisors (see below), whose sum is σ = 47628000. Its totient is φ = 33530880.

The previous prime is 40248917. The next prime is 40248947. The reversal of 40248923 is 32984204.

40248923 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 40248923 - 2⁴ = 40248907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40248923.

It is not an unprimeable number, because it can be changed into a prime (40248953) 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, 20363 + ... + 22251.

It is an arithmetic number, because the mean of its divisors is an integer number (2976750).

Almost surely, 2^40248923 is an apocalyptic number.

40248923 is a deficient number, since it is larger than the sum of its proper divisors (7379077).

40248923 is a wasteful number, since it uses less digits than its factorization.

40248923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40248923 is about 6344.2038901662. The cubic root of 40248923 is about 342.7031433805.

The spelling of 40248923 in words is "forty million, two hundred forty-eight thousand, nine hundred twenty-three".