1673423481 has 8 divisors (see below), whose sum is σ = 2251701760. Its totient is φ = 1105380432.

The previous prime is 1673423471. The next prime is 1673423491. The reversal of 1673423481 is 1843243761.

It is an interprime number because it is at equal distance from previous prime (1673423471) and next prime (1673423491).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1673423481 - 2⁶ = 1673423417 is a prime.

It is a super-2 number, since 2×1673423481² = 5600692293524314722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1673423471) 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 7 ways as a sum of consecutive naturals, for example, 2558425 + ... + 2559078.

It is an arithmetic number, because the mean of its divisors is an integer number (281462720).

Almost surely, 2^1673423481 is an apocalyptic number.

It is an amenable number.

1673423481 is a deficient number, since it is larger than the sum of its proper divisors (578278279).

1673423481 is a wasteful number, since it uses less digits than its factorization.

1673423481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117615.

The product of its digits is 96768, while the sum is 39.

The square root of 1673423481 is about 40907.4990802420. The cubic root of 1673423481 is about 1187.2311590265.

The spelling of 1673423481 in words is "one billion, six hundred seventy-three million, four hundred twenty-three thousand, four hundred eighty-one".