1623876673 has 2 divisors, whose sum is σ = 1623876674. Its totient is φ = 1623876672.

The previous prime is 1623876671. The next prime is 1623876677. The reversal of 1623876673 is 3766783261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814360369 + 809516304 = 28537^2 + 28452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623876673 - 2¹ = 1623876671 is a prime.

It is a super-2 number, since 2×1623876673² = 5273950898227097858, which contains 22 as substring.

Together with 1623876671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1623876671) 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 as a sum of consecutive naturals, namely, 811938336 + 811938337.

It is an arithmetic number, because the mean of its divisors is an integer number (811938337).

Almost surely, 2^1623876673 is an apocalyptic number.

It is an amenable number.

1623876673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623876673 is an equidigital number, since it uses as much as digits as its factorization.

1623876673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 49.

The square root of 1623876673 is about 40297.3531761082. The cubic root of 1623876673 is about 1175.3963770293.

The spelling of 1623876673 in words is "one billion, six hundred twenty-three million, eight hundred seventy-six thousand, six hundred seventy-three".