1023203221133 has 8 divisors (see below), whose sum is σ = 1074490896768. Its totient is φ = 972482260464.

The previous prime is 1023203221129. The next prime is 1023203221169. The reversal of 1023203221133 is 3311223023201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023203221133 - 2² = 1023203221129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023203221099 and 1023203221108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023203221933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141675041 + ... + 141682262.

It is an arithmetic number, because the mean of its divisors is an integer number (134311362096).

Almost surely, 2^{1023203221133} is an apocalyptic number.

It is an amenable number.

1023203221133 is a deficient number, since it is larger than the sum of its proper divisors (51287675635).

1023203221133 is a wasteful number, since it uses less digits than its factorization.

1023203221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283357483.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1023203221133 its reverse (3311223023201), we get a palindrome (4334426244334).

The spelling of 1023203221133 in words is "one trillion, twenty-three billion, two hundred three million, two hundred twenty-one thousand, one hundred thirty-three".