118723271 has 2 divisors, whose sum is σ = 118723272. Its totient is φ = 118723270.

The previous prime is 118723237. The next prime is 118723321. The reversal of 118723271 is 172327811.

It is a weak prime.

It is an emirp because it is prime and its reverse (172327811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118723271 - 2¹⁸ = 118461127 is a prime.

It is a Chen prime.

It is equal to p_6773162 and since 118723271 and 6773162 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118723471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59361635 + 59361636.

It is an arithmetic number, because the mean of its divisors is an integer number (59361636).

Almost surely, 2^118723271 is an apocalyptic number.

118723271 is a deficient number, since it is larger than the sum of its proper divisors (1).

118723271 is an equidigital number, since it uses as much as digits as its factorization.

118723271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4704, while the sum is 32.

The square root of 118723271 is about 10896.0208792017. The cubic root of 118723271 is about 491.4869050524.

The spelling of 118723271 in words is "one hundred eighteen million, seven hundred twenty-three thousand, two hundred seventy-one".