40654223 has 4 divisors (see below), whose sum is σ = 40669728. Its totient is φ = 40638720.

The previous prime is 40654213. The next prime is 40654241. The reversal of 40654223 is 32245604.

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

It is a cyclic number.

It is not a de Polignac number, because 40654223 - 2⁸ = 40653967 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 40654192 and 40654201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40654213) 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, 2738 + ... + 9423.

It is an arithmetic number, because the mean of its divisors is an integer number (10167432).

Almost surely, 2^40654223 is an apocalyptic number.

40654223 is a deficient number, since it is larger than the sum of its proper divisors (15505).

40654223 is a wasteful number, since it uses less digits than its factorization.

40654223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15504.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40654223 is about 6376.0664206076. The cubic root of 40654223 is about 343.8496249863.

Adding to 40654223 its reverse (32245604), we get a palindrome (72899827).

The spelling of 40654223 in words is "forty million, six hundred fifty-four thousand, two hundred twenty-three".