201101022323123 has 16 divisors (see below), whose sum is σ = 226020301147200. Its totient is φ = 177534158275584.

The previous prime is 201101022323111. The next prime is 201101022323183. The reversal of 201101022323123 is 321323220101102.

It is a cyclic number.

It is not a de Polignac number, because 201101022323123 - 2⁸ = 201101022322867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201101022323183) 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, 48400298 + ... + 52390751.

It is an arithmetic number, because the mean of its divisors is an integer number (14126268821700).

Almost surely, 2^{201101022323123} is an apocalyptic number.

201101022323123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

201101022323123 is a deficient number, since it is larger than the sum of its proper divisors (24919278824077).

201101022323123 is a wasteful number, since it uses less digits than its factorization.

201101022323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100797758.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 201101022323123 its reverse (321323220101102), we get a palindrome (522424242424225).

The spelling of 201101022323123 in words is "two hundred one trillion, one hundred one billion, twenty-two million, three hundred twenty-three thousand, one hundred twenty-three".