20231123130 has 24 divisors (see below), whose sum is σ = 52600920372. Its totient is φ = 5394966144.

The previous prime is 20231123117. The next prime is 20231123131. The reversal of 20231123130 is 3132113202.

20231123130 is a `hidden beast` number, since 202 + 311 + 23 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19990283769 + 240839361 = 141387^2 + 15519^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20231123131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112395039 + ... + 112395218.

Almost surely, 2^20231123130 is an apocalyptic number.

20231123130 is an abundant number, since it is smaller than the sum of its proper divisors (32369797242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231123130 is a wasteful number, since it uses less digits than its factorization.

20231123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224790270 (or 224790267 counting only the distinct ones).

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

Adding to 20231123130 its reverse (3132113202), we get a palindrome (23363236332).

The spelling of 20231123130 in words is "twenty billion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty".