2273204823 has 4 divisors (see below), whose sum is σ = 3030939768. Its totient is φ = 1515469880.

The previous prime is 2273204807. The next prime is 2273204837. The reversal of 2273204823 is 3284023722.

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 2273204823 - 2⁴ = 2273204807 is a prime.

It is a super-2 number, since 2×2273204823² = 10334920334620922658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273204863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378867468 + ... + 378867473.

It is an arithmetic number, because the mean of its divisors is an integer number (757734942).

Almost surely, 2^2273204823 is an apocalyptic number.

2273204823 is a deficient number, since it is larger than the sum of its proper divisors (757734945).

2273204823 is an equidigital number, since it uses as much as digits as its factorization.

2273204823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757734944.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 2273204823 is about 47678.1377887182. The cubic root of 2273204823 is about 1314.8600279917.

The spelling of 2273204823 in words is "two billion, two hundred seventy-three million, two hundred four thousand, eight hundred twenty-three".