2001352123 has 8 divisors (see below), whose sum is σ = 2008661760. Its totient is φ = 1994052840.

The previous prime is 2001352121. The next prime is 2001352187. The reversal of 2001352123 is 3212531002.

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 2001352123 - 2¹ = 2001352121 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 2001352123.

It is not an unprimeable number, because it can be changed into a prime (2001352121) 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, 691786 + ... + 694672.

It is an arithmetic number, because the mean of its divisors is an integer number (251082720).

Almost surely, 2^2001352123 is an apocalyptic number.

2001352123 is a deficient number, since it is larger than the sum of its proper divisors (7309637).

2001352123 is a wasteful number, since it uses less digits than its factorization.

2001352123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5177.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2001352123 is about 44736.4741905305. The cubic root of 2001352123 is about 1260.2049139729.

Adding to 2001352123 its reverse (3212531002), we get a palindrome (5213883125).

The spelling of 2001352123 in words is "two billion, one million, three hundred fifty-two thousand, one hundred twenty-three".