1202423357 has 2 divisors, whose sum is σ = 1202423358. Its totient is φ = 1202423356.

The previous prime is 1202423351. The next prime is 1202423401. The reversal of 1202423357 is 7533242021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1146905956 + 55517401 = 33866^2 + 7451^2 .

It is an emirp because it is prime and its reverse (7533242021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1202423357 - 2⁶ = 1202423293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202423351) 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, 601211678 + 601211679.

It is an arithmetic number, because the mean of its divisors is an integer number (601211679).

Almost surely, 2^1202423357 is an apocalyptic number.

It is an amenable number.

1202423357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202423357 is an equidigital number, since it uses as much as digits as its factorization.

1202423357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1202423357 is about 34675.9766553157. The cubic root of 1202423357 is about 1063.3734218259.

Adding to 1202423357 its reverse (7533242021), we get a palindrome (8735665378).

The spelling of 1202423357 in words is "one billion, two hundred two million, four hundred twenty-three thousand, three hundred fifty-seven".