2289723073 has 4 divisors (see below), whose sum is σ = 2497879728. Its totient is φ = 2081566420.

The previous prime is 2289723061. The next prime is 2289723077. The reversal of 2289723073 is 3703279822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2289723073 - 2²⁹ = 1752852161 is a prime.

It is a super-5 number, since 5×2289723073⁵ (a number of 48 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2289723077) 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, 104078311 + ... + 104078332.

It is an arithmetic number, because the mean of its divisors is an integer number (624469932).

Almost surely, 2^2289723073 is an apocalyptic number.

It is an amenable number.

2289723073 is a deficient number, since it is larger than the sum of its proper divisors (208156655).

2289723073 is a wasteful number, since it uses less digits than its factorization.

2289723073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208156654.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2289723073 is about 47851.0509079999. The cubic root of 2289723073 is about 1318.0371563460.

The spelling of 2289723073 in words is "two billion, two hundred eighty-nine million, seven hundred twenty-three thousand, seventy-three".