118721723147 has 2 divisors, whose sum is σ = 118721723148. Its totient is φ = 118721723146.

The previous prime is 118721723143. The next prime is 118721723161. The reversal of 118721723147 is 741327127811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118721723147 - 2² = 118721723143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118721723098 and 118721723107.

It is not a weakly prime, because it can be changed into another prime (118721723143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59360861573 + 59360861574.

It is an arithmetic number, because the mean of its divisors is an integer number (59360861574).

Almost surely, 2^118721723147 is an apocalyptic number.

118721723147 is a deficient number, since it is larger than the sum of its proper divisors (1).

118721723147 is an equidigital number, since it uses as much as digits as its factorization.

118721723147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 44.

The spelling of 118721723147 in words is "one hundred eighteen billion, seven hundred twenty-one million, seven hundred twenty-three thousand, one hundred forty-seven".