40013323 has 8 divisors (see below), whose sum is σ = 45927648. Its totient is φ = 34148544.

The previous prime is 40013299. The next prime is 40013327. The reversal of 40013323 is 32331004.

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 40013323 - 2¹⁷ = 39882251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40013297 and 40013306.

It is not an unprimeable number, because it can be changed into a prime (40013327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10636 + ... + 13897.

It is an arithmetic number, because the mean of its divisors is an integer number (5740956).

Almost surely, 2^40013323 is an apocalyptic number.

40013323 is a deficient number, since it is larger than the sum of its proper divisors (5914325).

40013323 is a wasteful number, since it uses less digits than its factorization.

40013323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24773.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 40013323 is about 6325.6085082781. The cubic root of 40013323 is about 342.0331551364.

Adding to 40013323 its reverse (32331004), we get a palindrome (72344327).

The spelling of 40013323 in words is "forty million, thirteen thousand, three hundred twenty-three".