40120223 has 8 divisors (see below), whose sum is σ = 47134416. Its totient is φ = 33667200.

The previous prime is 40120219. The next prime is 40120259. The reversal of 40120223 is 32202104.

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 40120223 - 2² = 40120219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40120198 and 40120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40120273) 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, 140138 + ... + 140423.

It is an arithmetic number, because the mean of its divisors is an integer number (5891802).

Almost surely, 2^40120223 is an apocalyptic number.

40120223 is a deficient number, since it is larger than the sum of its proper divisors (7014193).

40120223 is a wasteful number, since it uses less digits than its factorization.

40120223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280585.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 40120223 is about 6334.0526521335. The cubic root of 40120223 is about 342.3374773703.

Adding to 40120223 its reverse (32202104), we get a palindrome (72322327).

The spelling of 40120223 in words is "forty million, one hundred twenty thousand, two hundred twenty-three".