40302323 has 2 divisors, whose sum is σ = 40302324. Its totient is φ = 40302322.

The previous prime is 40302319. The next prime is 40302329. The reversal of 40302323 is 32320304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40302323 - 2² = 40302319 is a prime.

It is not a weakly prime, because it can be changed into another prime (40302329) 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 as a sum of consecutive naturals, namely, 20151161 + 20151162.

It is an arithmetic number, because the mean of its divisors is an integer number (20151162).

Almost surely, 2^40302323 is an apocalyptic number.

40302323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40302323 is an equidigital number, since it uses as much as digits as its factorization.

40302323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40302323 is about 6348.4110610451. The cubic root of 40302323 is about 342.8546361341.

Adding to 40302323 its reverse (32320304), we get a palindrome (72622627).

The spelling of 40302323 in words is "forty million, three hundred two thousand, three hundred twenty-three".