40861223 has 16 divisors (see below), whose sum is σ = 45741696. Its totient is φ = 36257760.

The previous prime is 40861213. The next prime is 40861231. The reversal of 40861223 is 32216804.

It is a cyclic number.

It is not a de Polignac number, because 40861223 - 2⁴ = 40861207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40861192 and 40861201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40861213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36908 + ... + 37998.

It is an arithmetic number, because the mean of its divisors is an integer number (2858856).

Almost surely, 2^40861223 is an apocalyptic number.

40861223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40861223 is a deficient number, since it is larger than the sum of its proper divisors (4880473).

40861223 is a wasteful number, since it uses less digits than its factorization.

40861223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40861223 is about 6392.2783888063. The cubic root of 40861223 is about 344.4322328387.

The spelling of 40861223 in words is "forty million, eight hundred sixty-one thousand, two hundred twenty-three".