20101001200323 has 16 divisors (see below), whose sum is σ = 27312327035136. Its totient is φ = 13145269685600.

The previous prime is 20101001200171. The next prime is 20101001200333. The reversal of 20101001200323 is 32300210010102.

It is a cyclic number.

It is not a de Polignac number, because 20101001200323 - 2⁸ = 20101001200067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101001200333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11462703 + ... + 13099448.

It is an arithmetic number, because the mean of its divisors is an integer number (1707020439696).

Almost surely, 2^{20101001200323} is an apocalyptic number.

20101001200323 is a deficient number, since it is larger than the sum of its proper divisors (7211325834813).

20101001200323 is a wasteful number, since it uses less digits than its factorization.

20101001200323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24567354.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20101001200323 its reverse (32300210010102), we get a palindrome (52401211210425).

The spelling of 20101001200323 in words is "twenty trillion, one hundred one billion, one million, two hundred thousand, three hundred twenty-three".