2312123311020 has 96 divisors (see below), whose sum is σ = 6815085177600. Its totient is φ = 584080568064.

The previous prime is 2312123311019. The next prime is 2312123311027. The reversal of 2312123311020 is 201133212132.

It is not an unprimeable number, because it can be changed into a prime (2312123311027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22917246 + ... + 23017914.

It is an arithmetic number, because the mean of its divisors is an integer number (70990470600).

Almost surely, 2^{2312123311020} is an apocalyptic number.

2312123311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312123311020 is an abundant number, since it is smaller than the sum of its proper divisors (4502961866580).

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

2312123311020 is a wasteful number, since it uses less digits than its factorization.

2312123311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120847 (or 120845 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2312123311020 its reverse (201133212132), we get a palindrome (2513256523152).

The spelling of 2312123311020 in words is "two trillion, three hundred twelve billion, one hundred twenty-three million, three hundred eleven thousand, twenty".