40523423311 has 24 divisors (see below), whose sum is σ = 50615469216. Its totient is φ = 32230679040.

The previous prime is 40523423273. The next prime is 40523423321. The reversal of 40523423311 is 11332432504.

It is a happy number.

It is not a de Polignac number, because 40523423311 - 2⁷ = 40523423183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40523423311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523423321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 283446 + ... + 401731.

It is an arithmetic number, because the mean of its divisors is an integer number (2108977884).

Almost surely, 2^40523423311 is an apocalyptic number.

40523423311 is a deficient number, since it is larger than the sum of its proper divisors (10092045905).

40523423311 is a wasteful number, since it uses less digits than its factorization.

40523423311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685279 (or 685272 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 40523423311 its reverse (11332432504), we get a palindrome (51855855815).

The spelling of 40523423311 in words is "forty billion, five hundred twenty-three million, four hundred twenty-three thousand, three hundred eleven".