1243342032355 has 64 divisors (see below), whose sum is σ = 1579061278080. Its totient is φ = 938962354176.

The previous prime is 1243342032329. The next prime is 1243342032367. The reversal of 1243342032355 is 5532302433421.

It is a cyclic number.

It is not a de Polignac number, because 1243342032355 - 2⁵ = 1243342032323 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 157840677 + ... + 157848553.

It is an arithmetic number, because the mean of its divisors is an integer number (24672832470).

Almost surely, 2^{1243342032355} is an apocalyptic number.

1243342032355 is a deficient number, since it is larger than the sum of its proper divisors (335719245725).

1243342032355 is a wasteful number, since it uses less digits than its factorization.

1243342032355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8200.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 1243342032355 its reverse (5532302433421), we get a palindrome (6775644465776).

The spelling of 1243342032355 in words is "one trillion, two hundred forty-three billion, three hundred forty-two million, thirty-two thousand, three hundred fifty-five".