1798822723 has 2 divisors, whose sum is σ = 1798822724. Its totient is φ = 1798822722.

The previous prime is 1798822679. The next prime is 1798822763. The reversal of 1798822723 is 3272288971.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1798822723 - 2¹⁷ = 1798691651 is a prime.

It is a super-2 number, since 2×1798822723² = 6471526377562269458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1798822763) 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 as a sum of consecutive naturals, namely, 899411361 + 899411362.

It is an arithmetic number, because the mean of its divisors is an integer number (899411362).

Almost surely, 2^1798822723 is an apocalyptic number.

1798822723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1798822723 is an equidigital number, since it uses as much as digits as its factorization.

1798822723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 49.

The square root of 1798822723 is about 42412.5302593467. The cubic root of 1798822723 is about 1216.1751399234.

The spelling of 1798822723 in words is "one billion, seven hundred ninety-eight million, eight hundred twenty-two thousand, seven hundred twenty-three".