1199423 has 2 divisors, whose sum is σ = 1199424. Its totient is φ = 1199422.

The previous prime is 1199417. The next prime is 1199437. The reversal of 1199423 is 3249911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1199423 - 2⁸ = 1199167 is a prime.

It is a d-powerful number, because it can be written as 1 + 1 + 9 + 9² + 4¹⁰ + 2¹⁷ + 3⁹ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1199123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599711 + 599712.

It is an arithmetic number, because the mean of its divisors is an integer number (599712).

2^1199423 is an apocalyptic number.

1199423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199423 is an equidigital number, since it uses as much as digits as its factorization.

1199423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 1199423 is about 1095.1817200812. The cubic root of 1199423 is about 106.2488221323.

The spelling of 1199423 in words is "one million, one hundred ninety-nine thousand, four hundred twenty-three".