40835823 has 8 divisors (see below), whose sum is σ = 62226048. Its totient is φ = 23334744.

The previous prime is 40835791. The next prime is 40835849. The reversal of 40835823 is 32853804.

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

It is not a de Polignac number, because 40835823 - 2⁵ = 40835791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40855823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 972261 + ... + 972302.

It is an arithmetic number, because the mean of its divisors is an integer number (7778256).

Almost surely, 2^40835823 is an apocalyptic number.

40835823 is a deficient number, since it is larger than the sum of its proper divisors (21390225).

40835823 is a wasteful number, since it uses less digits than its factorization.

40835823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944573.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 40835823 is about 6390.2913079139. The cubic root of 40835823 is about 344.3608498220.

The spelling of 40835823 in words is "forty million, eight hundred thirty-five thousand, eight hundred twenty-three".