20101133323 has 4 divisors (see below), whose sum is σ = 20103733768. Its totient is φ = 20098532880.

The previous prime is 20101133321. The next prime is 20101133347. The reversal of 20101133323 is 32333110102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32333110102 = 2 ⋅16166555051.

It is a cyclic number.

It is not a de Polignac number, because 20101133323 - 2¹ = 20101133321 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 20101133323.

It is not an unprimeable number, because it can be changed into a prime (20101133321) 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, 1288593 + ... + 1304098.

It is an arithmetic number, because the mean of its divisors is an integer number (5025933442).

Almost surely, 2^20101133323 is an apocalyptic number.

20101133323 is a deficient number, since it is larger than the sum of its proper divisors (2600445).

20101133323 is an equidigital number, since it uses as much as digits as its factorization.

20101133323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600444.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20101133323 its reverse (32333110102), we get a palindrome (52434243425).

The spelling of 20101133323 in words is "twenty billion, one hundred one million, one hundred thirty-three thousand, three hundred twenty-three".