2000000123 has 8 divisors (see below), whose sum is σ = 2252199936. Its totient is φ = 1759530600.

The previous prime is 2000000099. The next prime is 2000000137. The reversal of 2000000123 is 3210000002.

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 2000000123 - 2¹⁸ = 1999737979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2000000123.

It is not an unprimeable number, because it can be changed into a prime (2000000143) 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, 2932211 + ... + 2932892.

It is an arithmetic number, because the mean of its divisors is an integer number (281524992).

Almost surely, 2^2000000123 is an apocalyptic number.

2000000123 is a deficient number, since it is larger than the sum of its proper divisors (252199813).

2000000123 is a wasteful number, since it uses less digits than its factorization.

2000000123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5865145.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2000000123 is about 44721.3609251776. The cubic root of 2000000123 is about 1259.9210757233.

Adding to 2000000123 its reverse (3210000002), we get a palindrome (5210000125).

The spelling of 2000000123 in words is "two billion, one hundred twenty-three", and thus it is an aban number.