1355042323 has 4 divisors (see below), whose sum is σ = 1426360360. Its totient is φ = 1283724288.

The previous prime is 1355042317. The next prime is 1355042327. The reversal of 1355042323 is 3232405531.

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 1355042323 - 2⁵ = 1355042291 is a prime.

It is a super-2 number, since 2×1355042323² = 3672279394242472658, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1355042291 and 1355042300.

It is not an unprimeable number, because it can be changed into a prime (1355042327) 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, 35658990 + ... + 35659027.

It is an arithmetic number, because the mean of its divisors is an integer number (356590090).

Almost surely, 2^1355042323 is an apocalyptic number.

1355042323 is a deficient number, since it is larger than the sum of its proper divisors (71318037).

1355042323 is an equidigital number, since it uses as much as digits as its factorization.

1355042323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71318036.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1355042323 is about 36810.8995135952. The cubic root of 1355042323 is about 1106.5837456721.

Adding to 1355042323 its reverse (3232405531), we get a palindrome (4587447854).

The spelling of 1355042323 in words is "one billion, three hundred fifty-five million, forty-two thousand, three hundred twenty-three".