2321080723 has 4 divisors (see below), whose sum is σ = 2499625408. Its totient is φ = 2142536040.

The previous prime is 2321080721. The next prime is 2321080739. The reversal of 2321080723 is 3270801232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2321080723 - 2¹ = 2321080721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321080691 and 2321080700.

It is not an unprimeable number, because it can be changed into a prime (2321080721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89272323 + ... + 89272348.

It is an arithmetic number, because the mean of its divisors is an integer number (624906352).

Almost surely, 2^2321080723 is an apocalyptic number.

2321080723 is a deficient number, since it is larger than the sum of its proper divisors (178544685).

2321080723 is a wasteful number, since it uses less digits than its factorization.

2321080723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178544684.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2321080723 is about 48177.5956539967. The cubic root of 2321080723 is about 1324.0267157423.

Adding to 2321080723 its reverse (3270801232), we get a palindrome (5591881955).

The spelling of 2321080723 in words is "two billion, three hundred twenty-one million, eighty thousand, seven hundred twenty-three".