40233173 has 2 divisors, whose sum is σ = 40233174. Its totient is φ = 40233172.

The previous prime is 40233163. The next prime is 40233181. The reversal of 40233173 is 37133204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25472209 + 14760964 = 5047^2 + 3842^2 .

It is a cyclic number.

It is not a de Polignac number, because 40233173 - 2⁴ = 40233157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40233163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20116586 + 20116587.

It is an arithmetic number, because the mean of its divisors is an integer number (20116587).

Almost surely, 2^40233173 is an apocalyptic number.

It is an amenable number.

40233173 is a deficient number, since it is larger than the sum of its proper divisors (1).

40233173 is an equidigital number, since it uses as much as digits as its factorization.

40233173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 40233173 is about 6342.9624782116. The cubic root of 40233173 is about 342.6584359423.

Adding to 40233173 its reverse (37133204), we get a palindrome (77366377).

The spelling of 40233173 in words is "forty million, two hundred thirty-three thousand, one hundred seventy-three".