23020131123 has 64 divisors (see below), whose sum is σ = 37568102400. Its totient is φ = 13815809280.

The previous prime is 23020131073. The next prime is 23020131143. The reversal of 23020131123 is 32113102032.

It is not a de Polignac number, because 23020131123 - 2¹⁰ = 23020130099 is a prime.

It is a super-2 number, since 2×23020131123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23020131096 and 23020131105.

It is not an unprimeable number, because it can be changed into a prime (23020131143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17858263 + ... + 17859551.

It is an arithmetic number, because the mean of its divisors is an integer number (587001600).

Almost surely, 2^23020131123 is an apocalyptic number.

23020131123 is a deficient number, since it is larger than the sum of its proper divisors (14547971277).

23020131123 is a wasteful number, since it uses less digits than its factorization.

23020131123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23020131123 its reverse (32113102032), we get a palindrome (55133233155).

The spelling of 23020131123 in words is "twenty-three billion, twenty million, one hundred thirty-one thousand, one hundred twenty-three".