2147823073 has 4 divisors (see below), whose sum is σ = 2343079728. Its totient is φ = 1952566420.

The previous prime is 2147823071. The next prime is 2147823109. The reversal of 2147823073 is 3703287412.

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 2147823073 - 2¹ = 2147823071 is a prime.

It is a super-2 number, since 2×2147823073² = 9226287905822326658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147823071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97628311 + ... + 97628332.

It is an arithmetic number, because the mean of its divisors is an integer number (585769932).

Almost surely, 2^2147823073 is an apocalyptic number.

It is an amenable number.

2147823073 is a deficient number, since it is larger than the sum of its proper divisors (195256655).

2147823073 is a wasteful number, since it uses less digits than its factorization.

2147823073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195256654.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 2147823073 is about 46344.6121248199. The cubic root of 2147823073 is about 1290.2271244421.

It can be divided in two parts, 21478 and 23073, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 2147823073 in words is "two billion, one hundred forty-seven million, eight hundred twenty-three thousand, seventy-three".