1355344343 has 4 divisors (see below), whose sum is σ = 1356558840. Its totient is φ = 1354129848.

The previous prime is 1355344321. The next prime is 1355344357. The reversal of 1355344343 is 3434435531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3434435531 = 15101 ⋅227431.

It is a cyclic number.

It is not a de Polignac number, because 1355344343 - 2⁶ = 1355344279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357344343) 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, 605573 + ... + 607806.

It is an arithmetic number, because the mean of its divisors is an integer number (339139710).

Almost surely, 2^1355344343 is an apocalyptic number.

1355344343 is a deficient number, since it is larger than the sum of its proper divisors (1214497).

1355344343 is a wasteful number, since it uses less digits than its factorization.

1355344343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214496.

The product of its digits is 129600, while the sum is 35.

The square root of 1355344343 is about 36815.0016026076. The cubic root of 1355344343 is about 1106.6659535830.

Adding to 1355344343 its reverse (3434435531), we get a palindrome (4789779874).

The spelling of 1355344343 in words is "one billion, three hundred fifty-five million, three hundred forty-four thousand, three hundred forty-three".