1053423205 has 4 divisors (see below), whose sum is σ = 1264107852. Its totient is φ = 842738560.

The previous prime is 1053423199. The next prime is 1053423257. The reversal of 1053423205 is 5023243501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5023243501 = 15739 ⋅319159.

It can be written as a sum of positive squares in 2 ways, for example, as 166693921 + 886729284 = 12911^2 + 29778^2 .

It is not a de Polignac number, because 1053423205 - 2²³ = 1045034597 is a prime.

It is a super-2 number, since 2×1053423205² = 2219400897664944050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053423205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105342316 + ... + 105342325.

It is an arithmetic number, because the mean of its divisors is an integer number (316026963).

Almost surely, 2^1053423205 is an apocalyptic number.

It is an amenable number.

1053423205 is a deficient number, since it is larger than the sum of its proper divisors (210684647).

1053423205 is an equidigital number, since it uses as much as digits as its factorization.

1053423205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210684646.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1053423205 is about 32456.4817101300. The cubic root of 1053423205 is about 1017.4997088220.

Adding to 1053423205 its reverse (5023243501), we get a palindrome (6076666706).

The spelling of 1053423205 in words is "one billion, fifty-three million, four hundred twenty-three thousand, two hundred five".