40294823 has 4 divisors (see below), whose sum is σ = 41594688. Its totient is φ = 38994960.

The previous prime is 40294799. The next prime is 40294847. The reversal of 40294823 is 32849204.

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

It is an interprime number because it is at equal distance from previous prime (40294799) and next prime (40294847).

It is a cyclic number.

It is not a de Polignac number, because 40294823 - 2¹² = 40290727 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 40294823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40294853) 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, 649886 + ... + 649947.

It is an arithmetic number, because the mean of its divisors is an integer number (10398672).

Almost surely, 2^40294823 is an apocalyptic number.

40294823 is a deficient number, since it is larger than the sum of its proper divisors (1299865).

40294823 is a wasteful number, since it uses less digits than its factorization.

40294823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299864.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40294823 is about 6347.8203345715. The cubic root of 40294823 is about 342.8333671426.

The spelling of 40294823 in words is "forty million, two hundred ninety-four thousand, eight hundred twenty-three".