1673625423 has 4 divisors (see below), whose sum is σ = 2231500568. Its totient is φ = 1115750280.

The previous prime is 1673625353. The next prime is 1673625439. The reversal of 1673625423 is 3245263761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3245263761 = 3 ⋅1081754587.

It is not a de Polignac number, because 1673625423 - 2¹⁴ = 1673609039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673625523) 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, 278937568 + ... + 278937573.

It is an arithmetic number, because the mean of its divisors is an integer number (557875142).

Almost surely, 2^1673625423 is an apocalyptic number.

1673625423 is a deficient number, since it is larger than the sum of its proper divisors (557875145).

1673625423 is an equidigital number, since it uses as much as digits as its factorization.

1673625423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557875144.

The product of its digits is 181440, while the sum is 39.

The square root of 1673625423 is about 40909.9672818251. The cubic root of 1673625423 is about 1187.2789138625.

The spelling of 1673625423 in words is "one billion, six hundred seventy-three million, six hundred twenty-five thousand, four hundred twenty-three".