2243656823 has 2 divisors, whose sum is σ = 2243656824. Its totient is φ = 2243656822.

The previous prime is 2243656741. The next prime is 2243656829. The reversal of 2243656823 is 3286563422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2243656823 - 2¹² = 2243652727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243656829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121828411 + 1121828412.

It is an arithmetic number, because the mean of its divisors is an integer number (1121828412).

Almost surely, 2^2243656823 is an apocalyptic number.

2243656823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243656823 is an equidigital number, since it uses as much as digits as its factorization.

2243656823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 41.

The square root of 2243656823 is about 47367.2547547354. The cubic root of 2243656823 is about 1309.1381435522.

The spelling of 2243656823 in words is "two billion, two hundred forty-three million, six hundred fifty-six thousand, eight hundred twenty-three".