1351234353263 has 4 divisors (see below), whose sum is σ = 1351275220248. Its totient is φ = 1351193486280.

The previous prime is 1351234353251. The next prime is 1351234353281. The reversal of 1351234353263 is 3623534321531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1351234353263 - 2⁴⁰ = 251722725487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1351234353263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351234359263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20383856 + ... + 20450037.

It is an arithmetic number, because the mean of its divisors is an integer number (337818805062).

Almost surely, 2^{1351234353263} is an apocalyptic number.

1351234353263 is a deficient number, since it is larger than the sum of its proper divisors (40866985).

1351234353263 is an equidigital number, since it uses as much as digits as its factorization.

1351234353263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40866984.

The product of its digits is 583200, while the sum is 41.

Adding to 1351234353263 its reverse (3623534321531), we get a palindrome (4974768674794).

The spelling of 1351234353263 in words is "one trillion, three hundred fifty-one billion, two hundred thirty-four million, three hundred fifty-three thousand, two hundred sixty-three".