40323233 has 2 divisors, whose sum is σ = 40323234. Its totient is φ = 40323232.

The previous prime is 40323223. The next prime is 40323247. The reversal of 40323233 is 33232304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20857489 + 19465744 = 4567^2 + 4412^2 .

It is a cyclic number.

It is not a de Polignac number, because 40323233 - 2⁶ = 40323169 is a prime.

It is not a weakly prime, because it can be changed into another prime (40323203) 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, 20161616 + 20161617.

It is an arithmetic number, because the mean of its divisors is an integer number (20161617).

Almost surely, 2^40323233 is an apocalyptic number.

It is an amenable number.

40323233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40323233 is an equidigital number, since it uses as much as digits as its factorization.

40323233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 40323233 is about 6350.0577162731. The cubic root of 40323233 is about 342.9139201524.

Adding to 40323233 its reverse (33232304), we get a palindrome (73555537).

The spelling of 40323233 in words is "forty million, three hundred twenty-three thousand, two hundred thirty-three".