1243152353 has 8 divisors (see below), whose sum is σ = 1318437288. Its totient is φ = 1168107264.

The previous prime is 1243152343. The next prime is 1243152373. The reversal of 1243152353 is 3532513421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2140369 + 1241011984 = 1463^2 + 35228^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1243152353 - 2¹⁴ = 1243135969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243152343) 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 in 7 ways as a sum of consecutive naturals, for example, 49226 + ... + 70067.

It is an arithmetic number, because the mean of its divisors is an integer number (164804661).

Almost surely, 2^1243152353 is an apocalyptic number.

It is an amenable number.

1243152353 is a deficient number, since it is larger than the sum of its proper divisors (75284935).

1243152353 is a wasteful number, since it uses less digits than its factorization.

1243152353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119923.

The product of its digits is 10800, while the sum is 29.

The square root of 1243152353 is about 35258.3657165218. The cubic root of 1243152353 is about 1075.2467010512.

Adding to 1243152353 its reverse (3532513421), we get a palindrome (4775665774).

The spelling of 1243152353 in words is "one billion, two hundred forty-three million, one hundred fifty-two thousand, three hundred fifty-three".