13020123011 has 8 divisors (see below), whose sum is σ = 15393249120. Its totient is φ = 10775274048.

The previous prime is 13020123001. The next prime is 13020123023. The reversal of 13020123011 is 11032102031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13020123011 - 2²⁶ = 12953014147 is a prime.

It is a super-2 number, since 2×13020123011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020123001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32069066 + ... + 32069471.

It is an arithmetic number, because the mean of its divisors is an integer number (1924156140).

Almost surely, 2^13020123011 is an apocalyptic number.

13020123011 is a deficient number, since it is larger than the sum of its proper divisors (2373126109).

13020123011 is an equidigital number, since it uses as much as digits as its factorization.

13020123011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64138573.

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

Adding to 13020123011 its reverse (11032102031), we get a palindrome (24052225042).

The spelling of 13020123011 in words is "thirteen billion, twenty million, one hundred twenty-three thousand, eleven".