1677423 has 12 divisors (see below), whose sum is σ = 2458904. Its totient is φ = 1016400.

The previous prime is 1677359. The next prime is 1677443. The reversal of 1677423 is 3247761.

It is not a de Polignac number, because 1677423 - 2⁶ = 1677359 is a prime.

It is a Duffinian number.

1677423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1677443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1948 + ... + 2673.

2^1677423 is an apocalyptic number.

1677423 is a deficient number, since it is larger than the sum of its proper divisors (781481).

1677423 is a wasteful number, since it uses less digits than its factorization.

1677423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4646 (or 4635 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 1677423 is about 1295.1536588374. The cubic root of 1677423 is about 118.8176242714.

The spelling of 1677423 in words is "one million, six hundred seventy-seven thousand, four hundred twenty-three".