2321873889 has 8 divisors (see below), whose sum is σ = 3277939680. Its totient is φ = 1456862016.

The previous prime is 2321873887. The next prime is 2321873903. The reversal of 2321873889 is 9883781232.

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

It is not a de Polignac number, because 2321873889 - 2¹ = 2321873887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 45526939 = 2321873889 / (2 + 3 + 2 + 1 + 8 + 7 + 3 + 8 + 8 + 9).

It is not an unprimeable number, because it can be changed into a prime (2321873887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22763419 + ... + 22763520.

It is an arithmetic number, because the mean of its divisors is an integer number (409742460).

Almost surely, 2^2321873889 is an apocalyptic number.

It is an amenable number.

2321873889 is a deficient number, since it is larger than the sum of its proper divisors (956065791).

2321873889 is a wasteful number, since it uses less digits than its factorization.

2321873889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45526959.

The product of its digits is 1161216, while the sum is 51.

The square root of 2321873889 is about 48185.8266402061. The cubic root of 2321873889 is about 1324.1775152332.

The spelling of 2321873889 in words is "two billion, three hundred twenty-one million, eight hundred seventy-three thousand, eight hundred eighty-nine".