1768423 has 2 divisors, whose sum is σ = 1768424. Its totient is φ = 1768422.

The previous prime is 1768421. The next prime is 1768433. The reversal of 1768423 is 3248671.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1768423 - 2¹ = 1768421 is a prime.

Together with 1768421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1768421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 884211 + 884212.

It is an arithmetic number, because the mean of its divisors is an integer number (884212).

2^1768423 is an apocalyptic number.

1768423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1768423 is an equidigital number, since it uses as much as digits as its factorization.

1768423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 1768423 is about 1329.8206646011. The cubic root of 1768423 is about 120.9285145681.

The spelling of 1768423 in words is "one million, seven hundred sixty-eight thousand, four hundred twenty-three".