118623400601 has 2 divisors, whose sum is σ = 118623400602. Its totient is φ = 118623400600.

The previous prime is 118623400589. The next prime is 118623400631. The reversal of 118623400601 is 106004326811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105456067600 + 13167333001 = 324740^2 + 114749^2 .

It is an emirp because it is prime and its reverse (106004326811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118623400601 - 2²² = 118619206297 is a prime.

It is a super-2 number, since 2×118623400601² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118623400631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59311700300 + 59311700301.

It is an arithmetic number, because the mean of its divisors is an integer number (59311700301).

Almost surely, 2^118623400601 is an apocalyptic number.

It is an amenable number.

118623400601 is a deficient number, since it is larger than the sum of its proper divisors (1).

118623400601 is an equidigital number, since it uses as much as digits as its factorization.

118623400601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 118623400601 in words is "one hundred eighteen billion, six hundred twenty-three million, four hundred thousand, six hundred one".