1355502823 has 4 divisors (see below), whose sum is σ = 1355702328. Its totient is φ = 1355303320.

The previous prime is 1355502821. The next prime is 1355502847. The reversal of 1355502823 is 3282055531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3282055531 = 17539 ⋅187129.

It is a cyclic number.

It is not a de Polignac number, because 1355502823 - 2¹ = 1355502821 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 (1355502821) 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, 89188 + ... + 103273.

It is an arithmetic number, because the mean of its divisors is an integer number (338925582).

Almost surely, 2^1355502823 is an apocalyptic number.

1355502823 is a deficient number, since it is larger than the sum of its proper divisors (199505).

1355502823 is an equidigital number, since it uses as much as digits as its factorization.

1355502823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199504.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 1355502823 is about 36817.1539231375. The cubic root of 1355502823 is about 1106.7090859391.

The spelling of 1355502823 in words is "one billion, three hundred fifty-five million, five hundred two thousand, eight hundred twenty-three".