40523933 has 8 divisors (see below), whose sum is σ = 42245280. Its totient is φ = 38824240.

The previous prime is 40523929. The next prime is 40523939. The reversal of 40523933 is 33932504.

40523933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40523933 - 2² = 40523929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40523896 and 40523905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40523939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535 + ... + 9132.

It is an arithmetic number, because the mean of its divisors is an integer number (5280660).

Almost surely, 2^40523933 is an apocalyptic number.

It is an amenable number.

40523933 is a deficient number, since it is larger than the sum of its proper divisors (1721347).

40523933 is a wasteful number, since it uses less digits than its factorization.

40523933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 40523933 is about 6365.8411070337. The cubic root of 40523933 is about 343.4819049912.

The spelling of 40523933 in words is "forty million, five hundred twenty-three thousand, nine hundred thirty-three".