1023053133205 has 4 divisors (see below), whose sum is σ = 1227663759852. Its totient is φ = 818442506560.

The previous prime is 1023053133203. The next prime is 1023053133209. The reversal of 1023053133205 is 5023313503201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 302228361009 + 720824772196 = 549753^2 + 849014^2 .

It is not a de Polignac number, because 1023053133205 - 2¹ = 1023053133203 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 (1023053133203) 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, 102305313316 + ... + 102305313325.

It is an arithmetic number, because the mean of its divisors is an integer number (306915939963).

Almost surely, 2^{1023053133205} is an apocalyptic number.

It is an amenable number.

1023053133205 is a deficient number, since it is larger than the sum of its proper divisors (204610626647).

1023053133205 is an equidigital number, since it uses as much as digits as its factorization.

1023053133205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204610626646.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 1023053133205 its reverse (5023313503201), we get a palindrome (6046366636406).

The spelling of 1023053133205 in words is "one trillion, twenty-three billion, fifty-three million, one hundred thirty-three thousand, two hundred five".