1355351223 has 8 divisors (see below), whose sum is σ = 1807445488. Its totient is φ = 903412224.

The previous prime is 1355351213. The next prime is 1355351273. The reversal of 1355351223 is 3221535531.

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

It is not a de Polignac number, because 1355351223 - 2⁵ = 1355351191 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 (1355351213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16636 + ... + 54657.

It is an arithmetic number, because the mean of its divisors is an integer number (225930686).

Almost surely, 2^1355351223 is an apocalyptic number.

1355351223 is a deficient number, since it is larger than the sum of its proper divisors (452094265).

1355351223 is an equidigital number, since it uses as much as digits as its factorization.

1355351223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77633.

The product of its digits is 13500, while the sum is 30.

The square root of 1355351223 is about 36815.0950426588. The cubic root of 1355351223 is about 1106.6678261326.

Adding to 1355351223 its reverse (3221535531), we get a palindrome (4576886754).

The spelling of 1355351223 in words is "one billion, three hundred fifty-five million, three hundred fifty-one thousand, two hundred twenty-three".