1005353423 has 4 divisors (see below), whose sum is σ = 1006274328. Its totient is φ = 1004432520.

The previous prime is 1005353369. The next prime is 1005353491. The reversal of 1005353423 is 3243535001.

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 1005353423 - 2¹⁰ = 1005352399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1005353392 and 1005353401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005353623) 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, 458813 + ... + 460998.

It is an arithmetic number, because the mean of its divisors is an integer number (251568582).

Almost surely, 2^1005353423 is an apocalyptic number.

1005353423 is a deficient number, since it is larger than the sum of its proper divisors (920905).

1005353423 is an equidigital number, since it uses as much as digits as its factorization.

1005353423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920904.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1005353423 is about 31707.3086685073. The cubic root of 1005353423 is about 1001.7812994217.

Adding to 1005353423 its reverse (3243535001), we get a palindrome (4248888424).

The spelling of 1005353423 in words is "one billion, five million, three hundred fifty-three thousand, four hundred twenty-three".