40345323 has 8 divisors (see below), whose sum is σ = 54596928. Its totient is φ = 26495304.

The previous prime is 40345297. The next prime is 40345367. The reversal of 40345323 is 32354304.

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

It is not a de Polignac number, because 40345323 - 2²⁴ = 23568107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40345293 and 40345302.

It is not an unprimeable number, because it can be changed into a prime (40345423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100161 + ... + 100562.

It is an arithmetic number, because the mean of its divisors is an integer number (6824616).

Almost surely, 2^40345323 is an apocalyptic number.

40345323 is a deficient number, since it is larger than the sum of its proper divisors (14251605).

40345323 is a wasteful number, since it uses less digits than its factorization.

40345323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200793.

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 40345323 is about 6351.7968323932. The cubic root of 40345323 is about 342.9765274477.

Adding to 40345323 its reverse (32354304), we get a palindrome (72699627).

The spelling of 40345323 in words is "forty million, three hundred forty-five thousand, three hundred twenty-three".