40323245233 has 2 divisors, whose sum is σ = 40323245234. Its totient is φ = 40323245232.

The previous prime is 40323245203. The next prime is 40323245239. The reversal of 40323245233 is 33254232304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20382416289 + 19940828944 = 142767^2 + 141212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40323245233 is a prime.

It is a super-2 number, since 2×40323245233² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40323245195 and 40323245204.

It is not a weakly prime, because it can be changed into another prime (40323245239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20161622616 + 20161622617.

It is an arithmetic number, because the mean of its divisors is an integer number (20161622617).

Almost surely, 2^40323245233 is an apocalyptic number.

It is an amenable number.

40323245233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40323245233 is an equidigital number, since it uses as much as digits as its factorization.

40323245233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 31.

Adding to 40323245233 its reverse (33254232304), we get a palindrome (73577477537).

The spelling of 40323245233 in words is "forty billion, three hundred twenty-three million, two hundred forty-five thousand, two hundred thirty-three".