40823063 has 4 divisors (see below), whose sum is σ = 42139968. Its totient is φ = 39506160.

The previous prime is 40823053. The next prime is 40823071. The reversal of 40823063 is 36032804.

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

It is a cyclic number.

It is not a de Polignac number, because 40823063 - 2²² = 36628759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40823053) 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, 658406 + ... + 658467.

It is an arithmetic number, because the mean of its divisors is an integer number (10534992).

Almost surely, 2^40823063 is an apocalyptic number.

40823063 is a deficient number, since it is larger than the sum of its proper divisors (1316905).

40823063 is a wasteful number, since it uses less digits than its factorization.

40823063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316904.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40823063 is about 6389.2928403697. The cubic root of 40823063 is about 344.3249785219.

Adding to 40823063 its reverse (36032804), we get a palindrome (76855867).

The spelling of 40823063 in words is "forty million, eight hundred twenty-three thousand, sixty-three".