1023243020053 has 4 divisors (see below), whose sum is σ = 1032806039040. Its totient is φ = 1013680001068.

The previous prime is 1023243020039. The next prime is 1023243020069. The reversal of 1023243020053 is 3500203423201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1023243020053 - 2²¹ = 1023240922901 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 (1029243020053) 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, 4781509333 + ... + 4781509546.

It is an arithmetic number, because the mean of its divisors is an integer number (258201509760).

Almost surely, 2^{1023243020053} is an apocalyptic number.

It is an amenable number.

1023243020053 is a deficient number, since it is larger than the sum of its proper divisors (9563018987).

1023243020053 is an equidigital number, since it uses as much as digits as its factorization.

1023243020053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9563018986.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 1023243020053 its reverse (3500203423201), we get a palindrome (4523446443254).

The spelling of 1023243020053 in words is "one trillion, twenty-three billion, two hundred forty-three million, twenty thousand, fifty-three".