20123130130232 has 32 divisors (see below), whose sum is σ = 37811184393600. Its totient is φ = 10040151391200.

The previous prime is 20123130130231. The next prime is 20123130130297. The reversal of 20123130130232 is 23203103132102.

It is a junction number, because it is equal to n+sod(n) for n = 20123130130198 and 20123130130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123130130231) 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, 43603007 + ... + 44062097.

It is an arithmetic number, because the mean of its divisors is an integer number (1181599512300).

Almost surely, 2^{20123130130232} is an apocalyptic number.

It is an amenable number.

20123130130232 is a deficient number, since it is larger than the sum of its proper divisors (17688054263368).

20123130130232 is a wasteful number, since it uses less digits than its factorization.

20123130130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470747 (or 470743 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20123130130232 its reverse (23203103132102), we get a palindrome (43326233262334).

The spelling of 20123130130232 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, one hundred thirty thousand, two hundred thirty-two".