123006640033 has 8 divisors (see below), whose sum is σ = 127391734080. Its totient is φ = 118631111760.

The previous prime is 123006640021. The next prime is 123006640139. The reversal of 123006640033 is 330046600321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123006640033 - 2¹³ = 123006631841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123006639983 and 123006640010.

It is not an unprimeable number, because it can be changed into a prime (123006650033) 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 in 7 ways as a sum of consecutive naturals, for example, 2365263 + ... + 2416708.

It is an arithmetic number, because the mean of its divisors is an integer number (15923966760).

Almost surely, 2^123006640033 is an apocalyptic number.

It is an amenable number.

123006640033 is a deficient number, since it is larger than the sum of its proper divisors (4385094047).

123006640033 is an equidigital number, since it uses as much as digits as its factorization.

123006640033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782887.

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 123006640033 in words is "one hundred twenty-three billion, six million, six hundred forty thousand, thirty-three".