20101110323 has 4 divisors (see below), whose sum is σ = 22972697520. Its totient is φ = 17229523128.

The previous prime is 20101110319. The next prime is 20101110331. The reversal of 20101110323 is 32301110102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32301110102 = 2 ⋅16150555051.

It is a cyclic number.

It is not a de Polignac number, because 20101110323 - 2² = 20101110319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20101110298 and 20101110307.

It is not an unprimeable number, because it can be changed into a prime (20101110223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435793588 + ... + 1435793601.

It is an arithmetic number, because the mean of its divisors is an integer number (5743174380).

Almost surely, 2^20101110323 is an apocalyptic number.

20101110323 is a deficient number, since it is larger than the sum of its proper divisors (2871587197).

20101110323 is an equidigital number, since it uses as much as digits as its factorization.

20101110323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871587196.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20101110323 its reverse (32301110102), we get a palindrome (52402220425).

The spelling of 20101110323 in words is "twenty billion, one hundred one million, one hundred ten thousand, three hundred twenty-three".