40323012 has 24 divisors (see below), whose sum is σ = 95493216. Its totient is φ = 13240128.

The previous prime is 40323011. The next prime is 40323029. The reversal of 40323012 is 21032304.

40323012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40322982 and 40323000.

It is not an unprimeable number, because it can be changed into a prime (40323011) 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 7 ways as a sum of consecutive naturals, for example, 24273 + ... + 25880.

It is an arithmetic number, because the mean of its divisors is an integer number (3978884).

Almost surely, 2^40323012 is an apocalyptic number.

It is an amenable number.

40323012 is an abundant number, since it is smaller than the sum of its proper divisors (55170204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40323012 is a wasteful number, since it uses less digits than its factorization.

40323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50227 (or 50225 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40323012 is about 6350.0403148327. The cubic root of 40323012 is about 342.9132936805.

Adding to 40323012 its reverse (21032304), we get a palindrome (61355316).

The spelling of 40323012 in words is "forty million, three hundred twenty-three thousand, twelve".