40312321340233 has 4 divisors (see below), whose sum is σ = 40313192571028. Its totient is φ = 40311450109440.

The previous prime is 40312321340227. The next prime is 40312321340257. The reversal of 40312321340233 is 33204312321304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24038261711689 + 16274059628544 = 4902883^2 + 4034112^2 .

It is a cyclic number.

It is not a de Polignac number, because 40312321340233 - 2⁹ = 40312321339721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40312321340195 and 40312321340204.

It is not an unprimeable number, because it can be changed into a prime (40312321341233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435545988 + ... + 435638533.

It is an arithmetic number, because the mean of its divisors is an integer number (10078298142757).

Almost surely, 2^{40312321340233} is an apocalyptic number.

It is an amenable number.

40312321340233 is a deficient number, since it is larger than the sum of its proper divisors (871230795).

40312321340233 is an equidigital number, since it uses as much as digits as its factorization.

40312321340233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871230794.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 40312321340233 its reverse (33204312321304), we get a palindrome (73516633661537).

The spelling of 40312321340233 in words is "forty trillion, three hundred twelve billion, three hundred twenty-one million, three hundred forty thousand, two hundred thirty-three".