201001303301123 has 12 divisors (see below), whose sum is σ = 229107682994040. Its totient is φ = 175774419078336.

The previous prime is 201001303301101. The next prime is 201001303301159. The reversal of 201001303301123 is 321103303100102.

It is not a de Polignac number, because 201001303301123 - 2¹⁶ = 201001303235587 is a prime.

It is a super-2 number, since 2×201001303301123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201001303301095 and 201001303301104.

It is not an unprimeable number, because it can be changed into a prime (201001303300123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31298860586 + ... + 31298867007.

It is an arithmetic number, because the mean of its divisors is an integer number (19092306916170).

Almost surely, 2^{201001303301123} is an apocalyptic number.

201001303301123 is a deficient number, since it is larger than the sum of its proper divisors (28106379692917).

201001303301123 is a wasteful number, since it uses less digits than its factorization.

201001303301123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62597727638 (or 62597727625 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 201001303301123 its reverse (321103303100102), we get a palindrome (522104606401225).

The spelling of 201001303301123 in words is "two hundred one trillion, one billion, three hundred three million, three hundred one thousand, one hundred twenty-three".