40706223 has 8 divisors (see below), whose sum is σ = 54432768. Its totient is φ = 27058584.

The previous prime is 40706221. The next prime is 40706231. The reversal of 40706223 is 32260704.

40706223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40706223 - 2¹ = 40706221 is a prime.

It is a super-3 number, since 3×40706223³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40706193 and 40706202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40706221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18511 + ... + 20592.

It is an arithmetic number, because the mean of its divisors is an integer number (6804096).

Almost surely, 2^40706223 is an apocalyptic number.

40706223 is a deficient number, since it is larger than the sum of its proper divisors (13726545).

40706223 is a wasteful number, since it uses less digits than its factorization.

40706223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39453.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40706223 is about 6380.1428667390. The cubic root of 40706223 is about 343.9961662409.

Adding to 40706223 its reverse (32260704), we get a palindrome (72966927).

The spelling of 40706223 in words is "forty million, seven hundred six thousand, two hundred twenty-three".