23020311311123 has 16 divisors (see below), whose sum is σ = 26356101097920. Its totient is φ = 19696336272000.

The previous prime is 23020311311093. The next prime is 23020311311131. The reversal of 23020311311123 is 32111311302032.

It is a cyclic number.

It is not a de Polignac number, because 23020311311123 - 2²⁶ = 23020244202259 is a prime.

It is a super-2 number, since 2×23020311311123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020311311423) 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, 12123173 + ... + 13892873.

It is an arithmetic number, because the mean of its divisors is an integer number (1647256318620).

Almost surely, 2^{23020311311123} is an apocalyptic number.

23020311311123 is a deficient number, since it is larger than the sum of its proper divisors (3335789786797).

23020311311123 is a wasteful number, since it uses less digits than its factorization.

23020311311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773038.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 23020311311123 its reverse (32111311302032), we get a palindrome (55131622613155).

Subtracting 23020311311123 from its reverse (32111311302032), we obtain a palindrome (9090999990909).

The spelling of 23020311311123 in words is "twenty-three trillion, twenty billion, three hundred eleven million, three hundred eleven thousand, one hundred twenty-three".