1799423 has 2 divisors, whose sum is σ = 1799424. Its totient is φ = 1799422.

The previous prime is 1799417. The next prime is 1799453. The reversal of 1799423 is 3249971.

It is a weak prime.

It is an emirp because it is prime and its reverse (3249971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1799423 - 2⁴ = 1799407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1799453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 899711 + 899712.

It is an arithmetic number, because the mean of its divisors is an integer number (899712).

2^1799423 is an apocalyptic number.

1799423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799423 is an equidigital number, since it uses as much as digits as its factorization.

1799423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 35.

The square root of 1799423 is about 1341.4257340606. The cubic root of 1799423 is about 121.6310406314.

It can be divided in two parts, 1799 and 423, that added together give a palindrome (2222).

The spelling of 1799423 in words is "one million, seven hundred ninety-nine thousand, four hundred twenty-three".