2313721623 has 8 divisors (see below), whose sum is σ = 3107480688. Its totient is φ = 1531221824.

The previous prime is 2313721621. The next prime is 2313721661. The reversal of 2313721623 is 3261273132.

2313721623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2313721623 - 2¹ = 2313721621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313721621) 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, 2814336 + ... + 2815157.

It is an arithmetic number, because the mean of its divisors is an integer number (388435086).

Almost surely, 2^2313721623 is an apocalyptic number.

2313721623 is a deficient number, since it is larger than the sum of its proper divisors (793759065).

2313721623 is a wasteful number, since it uses less digits than its factorization.

2313721623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629633.

The product of its digits is 9072, while the sum is 30.

The square root of 2313721623 is about 48101.1603082504. The cubic root of 2313721623 is about 1322.6259371234.

Adding to 2313721623 its reverse (3261273132), we get a palindrome (5574994755).

The spelling of 2313721623 in words is "two billion, three hundred thirteen million, seven hundred twenty-one thousand, six hundred twenty-three".