40680023 has 8 divisors (see below), whose sum is σ = 41321280. Its totient is φ = 40042080.

The previous prime is 40680019. The next prime is 40680037. The reversal of 40680023 is 32008604.

It is a happy number.

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 40680023 - 2² = 40680019 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 (40682023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35861 + ... + 36977.

It is an arithmetic number, because the mean of its divisors is an integer number (5165160).

Almost surely, 2^40680023 is an apocalyptic number.

40680023 is a deficient number, since it is larger than the sum of its proper divisors (641257).

40680023 is a wasteful number, since it uses less digits than its factorization.

40680023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40680023 is about 6378.0892906889. The cubic root of 40680023 is about 343.9223476024.

Adding to 40680023 its reverse (32008604), we get a palindrome (72688627).

The spelling of 40680023 in words is "forty million, six hundred eighty thousand, twenty-three".