2313123213 has 8 divisors (see below), whose sum is σ = 3246488800. Its totient is φ = 1460919888.

The previous prime is 2313123193. The next prime is 2313123223. The reversal of 2313123213 is 3123213132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2313123213 - 2⁵ = 2313123181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2313123213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20290498 + ... + 20290611.

It is an arithmetic number, because the mean of its divisors is an integer number (405811100).

Almost surely, 2^2313123213 is an apocalyptic number.

It is an amenable number.

2313123213 is a deficient number, since it is larger than the sum of its proper divisors (933365587).

2313123213 is a wasteful number, since it uses less digits than its factorization.

2313123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40581131.

The product of its digits is 648, while the sum is 21.

The square root of 2313123213 is about 48094.9395778807. The cubic root of 2313123213 is about 1322.5119013893.

Adding to 2313123213 its reverse (3123213132), we get a palindrome (5436336345).

The spelling of 2313123213 in words is "two billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred thirteen".