40611223 has 4 divisors (see below), whose sum is σ = 42011640. Its totient is φ = 39210808.

The previous prime is 40611217. The next prime is 40611229. The reversal of 40611223 is 32211604.

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

It is an interprime number because it is at equal distance from previous prime (40611217) and next prime (40611229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40611223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40611223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40611229) 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, 700165 + ... + 700222.

It is an arithmetic number, because the mean of its divisors is an integer number (10502910).

Almost surely, 2^40611223 is an apocalyptic number.

40611223 is a deficient number, since it is larger than the sum of its proper divisors (1400417).

40611223 is a wasteful number, since it uses less digits than its factorization.

40611223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400416.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40611223 is about 6372.6935435497. The cubic root of 40611223 is about 343.7283522235.

Adding to 40611223 its reverse (32211604), we get a palindrome (72822827).

The spelling of 40611223 in words is "forty million, six hundred eleven thousand, two hundred twenty-three".