40026323 has 2 divisors, whose sum is σ = 40026324. Its totient is φ = 40026322.

The previous prime is 40026319. The next prime is 40026359. The reversal of 40026323 is 32362004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40026323 - 2² = 40026319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40026295 and 40026304.

It is not a weakly prime, because it can be changed into another prime (40026383) 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 as a sum of consecutive naturals, namely, 20013161 + 20013162.

It is an arithmetic number, because the mean of its divisors is an integer number (20013162).

Almost surely, 2^40026323 is an apocalyptic number.

40026323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40026323 is an equidigital number, since it uses as much as digits as its factorization.

40026323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40026323 is about 6326.6359939544. The cubic root of 40026323 is about 342.0701923799.

Adding to 40026323 its reverse (32362004), we get a palindrome (72388327).

The spelling of 40026323 in words is "forty million, twenty-six thousand, three hundred twenty-three".