1355645323 has 4 divisors (see below), whose sum is σ = 1414586448. Its totient is φ = 1296704200.

The previous prime is 1355645311. The next prime is 1355645329. The reversal of 1355645323 is 3235465531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3235465531 = 7457 ⋅433883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355645323 is a prime.

It is a super-3 number, since 3×1355645323³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355645329) 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 3 ways as a sum of consecutive naturals, for example, 29470528 + ... + 29470573.

It is an arithmetic number, because the mean of its divisors is an integer number (353646612).

Almost surely, 2^1355645323 is an apocalyptic number.

1355645323 is a deficient number, since it is larger than the sum of its proper divisors (58941125).

1355645323 is an equidigital number, since it uses as much as digits as its factorization.

1355645323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58941124.

The product of its digits is 162000, while the sum is 37.

The square root of 1355645323 is about 36819.0891114922. The cubic root of 1355645323 is about 1106.7478662638.

The spelling of 1355645323 in words is "one billion, three hundred fifty-five million, six hundred forty-five thousand, three hundred twenty-three".