40323719 has 8 divisors (see below), whose sum is σ = 42558000. Its totient is φ = 38100672.

The previous prime is 40323713. The next prime is 40323737. The reversal of 40323719 is 91732304.

40323719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40323719 - 2⁸ = 40323463 is a prime.

It is a super-2 number, since 2×40323719² = 3252004627981922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40323691 and 40323700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323713) 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, 5177 + ... + 10365.

It is an arithmetic number, because the mean of its divisors is an integer number (5319750).

Almost surely, 2^40323719 is an apocalyptic number.

40323719 is a deficient number, since it is larger than the sum of its proper divisors (2234281).

40323719 is a wasteful number, since it uses less digits than its factorization.

40323719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 40323719 is about 6350.0959835265. The cubic root of 40323719 is about 342.9152978155.

The spelling of 40323719 in words is "forty million, three hundred twenty-three thousand, seven hundred nineteen".