40232223 has 6 divisors (see below), whose sum is σ = 58113224. Its totient is φ = 26821476.

The previous prime is 40232207. The next prime is 40232233. The reversal of 40232223 is 32223204.

It is not a de Polignac number, because 40232223 - 2⁴ = 40232207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40232196 and 40232205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2235115 + ... + 2235132.

Almost surely, 2^40232223 is an apocalyptic number.

40232223 is a deficient number, since it is larger than the sum of its proper divisors (17881001).

40232223 is a wasteful number, since it uses less digits than its factorization.

40232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470253 (or 4470250 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 40232223 is about 6342.8875916258. The cubic root of 40232223 is about 342.6557389301.

Adding to 40232223 its reverse (32223204), we get a palindrome (72455427).

The spelling of 40232223 in words is "forty million, two hundred thirty-two thousand, two hundred twenty-three".