1813353423 has 8 divisors (see below), whose sum is σ = 2763205248. Its totient is φ = 1036201944.

The previous prime is 1813353403. The next prime is 1813353449. The reversal of 1813353423 is 3243533181.

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

It is not a de Polignac number, because 1813353423 - 2⁵ = 1813353391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1813353403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43175061 + ... + 43175102.

It is an arithmetic number, because the mean of its divisors is an integer number (345400656).

Almost surely, 2^1813353423 is an apocalyptic number.

1813353423 is a deficient number, since it is larger than the sum of its proper divisors (949851825).

1813353423 is an equidigital number, since it uses as much as digits as its factorization.

1813353423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86350173.

The product of its digits is 25920, while the sum is 33.

The square root of 1813353423 is about 42583.4876800856. The cubic root of 1813353423 is about 1219.4410731419.

The spelling of 1813353423 in words is "one billion, eight hundred thirteen million, three hundred fifty-three thousand, four hundred twenty-three".