40243312233 has 12 divisors (see below), whose sum is σ = 58131161088. Its totient is φ = 26827983000.

The previous prime is 40243312229. The next prime is 40243312247. The reversal of 40243312233 is 33221334204.

40243312233 is a `hidden beast` number, since 4 + 0 + 2 + 433 + 1 + 223 + 3 = 666.

40243312233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40243312233 - 2² = 40243312229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40243312197 and 40243312206.

It is not an unprimeable number, because it can be changed into a prime (40243312283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323608 + ... + 430358.

It is an arithmetic number, because the mean of its divisors is an integer number (4844263424).

Almost surely, 2^40243312233 is an apocalyptic number.

It is an amenable number.

40243312233 is a deficient number, since it is larger than the sum of its proper divisors (17887848855).

40243312233 is a wasteful number, since it uses less digits than its factorization.

40243312233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148644 (or 148641 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 40243312233 its reverse (33221334204), we get a palindrome (73464646437).

The spelling of 40243312233 in words is "forty billion, two hundred forty-three million, three hundred twelve thousand, two hundred thirty-three".