118823647 has 2 divisors, whose sum is σ = 118823648. Its totient is φ = 118823646.

The previous prime is 118823641. The next prime is 118823671. The reversal of 118823647 is 746328811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118823647 - 2¹⁵ = 118790879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118823641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59411823 + 59411824.

It is an arithmetic number, because the mean of its divisors is an integer number (59411824).

Almost surely, 2^118823647 is an apocalyptic number.

118823647 is a deficient number, since it is larger than the sum of its proper divisors (1).

118823647 is an equidigital number, since it uses as much as digits as its factorization.

118823647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 118823647 is about 10900.6259911989. The cubic root of 118823647 is about 491.6253771832.

The spelling of 118823647 in words is "one hundred eighteen million, eight hundred twenty-three thousand, six hundred forty-seven".