40223111 has 2 divisors, whose sum is σ = 40223112. Its totient is φ = 40223110.

The previous prime is 40223083. The next prime is 40223123. The reversal of 40223111 is 11132204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40223111 - 2⁶ = 40223047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40223011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111555 + 20111556.

It is an arithmetic number, because the mean of its divisors is an integer number (20111556).

Almost surely, 2^40223111 is an apocalyptic number.

40223111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40223111 is an equidigital number, since it uses as much as digits as its factorization.

40223111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 40223111 is about 6342.1692661108. The cubic root of 40223111 is about 342.6298681678.

Adding to 40223111 its reverse (11132204), we get a palindrome (51355315).

The spelling of 40223111 in words is "forty million, two hundred twenty-three thousand, one hundred eleven".