1198552423 has 2 divisors, whose sum is σ = 1198552424. Its totient is φ = 1198552422.

The previous prime is 1198552417. The next prime is 1198552463. The reversal of 1198552423 is 3242558911.

It is a happy number.

It is an a-pointer prime, because the next prime (1198552463) can be obtained adding 1198552423 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (3242558911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1198552423 - 2¹⁷ = 1198421351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1198552403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599276211 + 599276212.

It is an arithmetic number, because the mean of its divisors is an integer number (599276212).

Almost surely, 2^1198552423 is an apocalyptic number.

1198552423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198552423 is an equidigital number, since it uses as much as digits as its factorization.

1198552423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 1198552423 is about 34620.1158721342. The cubic root of 1198552423 is about 1062.2310972192.

The spelling of 1198552423 in words is "one billion, one hundred ninety-eight million, five hundred fifty-two thousand, four hundred twenty-three".