1355354123 has 4 divisors (see below), whose sum is σ = 1358049168. Its totient is φ = 1352659080.

The previous prime is 1355354101. The next prime is 1355354129. The reversal of 1355354123 is 3214535531.

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 1355354123 - 2²⁴ = 1338576907 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 1355354123.

It is not an unprimeable number, because it can be changed into a prime (1355354129) 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, 1346768 + ... + 1347773.

It is an arithmetic number, because the mean of its divisors is an integer number (339512292).

Almost surely, 2^1355354123 is an apocalyptic number.

1355354123 is a deficient number, since it is larger than the sum of its proper divisors (2695045).

1355354123 is an equidigital number, since it uses as much as digits as its factorization.

1355354123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695044.

The product of its digits is 27000, while the sum is 32.

The square root of 1355354123 is about 36815.1344286558. The cubic root of 1355354123 is about 1106.6686154322.

Adding to 1355354123 its reverse (3214535531), we get a palindrome (4569889654).

It can be divided in two parts, 13553 and 54123, that added together give a palindrome (67676).

The spelling of 1355354123 in words is "one billion, three hundred fifty-five million, three hundred fifty-four thousand, one hundred twenty-three".