1053123321433 has 4 divisors (see below), whose sum is σ = 1057493127988. Its totient is φ = 1048753514880.

The previous prime is 1053123321379. The next prime is 1053123321461. The reversal of 1053123321433 is 3341233213501.

It is a happy number.

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 546582233344 + 506541088089 = 739312^2 + 711717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053123321433 - 2²⁵ = 1053089767001 is a prime.

It is a super-2 number, since 2×1053123321433² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1053123321395 and 1053123321404.

It is not an unprimeable number, because it can be changed into a prime (1053123921433) 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, 2184902916 + ... + 2184903397.

It is an arithmetic number, because the mean of its divisors is an integer number (264373281997).

Almost surely, 2^{1053123321433} is an apocalyptic number.

It is an amenable number.

1053123321433 is a deficient number, since it is larger than the sum of its proper divisors (4369806555).

1053123321433 is an equidigital number, since it uses as much as digits as its factorization.

1053123321433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369806554.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 1053123321433 its reverse (3341233213501), we get a palindrome (4394356534934).

The spelling of 1053123321433 in words is "one trillion, fifty-three billion, one hundred twenty-three million, three hundred twenty-one thousand, four hundred thirty-three".