2313123020 has 96 divisors (see below), whose sum is σ = 5556600000. Its totient is φ = 801275904.

The previous prime is 2313123019. The next prime is 2313123031. The reversal of 2313123020 is 203213132.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 2313123020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1851356 + ... + 1852604.

It is an arithmetic number, because the mean of its divisors is an integer number (57881250).

Almost surely, 2^2313123020 is an apocalyptic number.

2313123020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313123020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2778300000).

2313123020 is an abundant number, since it is smaller than the sum of its proper divisors (3243476980).

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

2313123020 is a wasteful number, since it uses less digits than its factorization.

2313123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707 (or 1705 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2313123020 is about 48094.9375714326. The cubic root of 2313123020 is about 1322.5118646072.

Adding to 2313123020 its reverse (203213132), we get a palindrome (2516336152).

The spelling of 2313123020 in words is "two billion, three hundred thirteen million, one hundred twenty-three thousand, twenty".