1023333133213 has 4 divisors (see below), whose sum is σ = 1050990785500. Its totient is φ = 995675480928.

The previous prime is 1023333133187. The next prime is 1023333133241. The reversal of 1023333133213 is 3123313333201.

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 987346284409 + 35986848804 = 993653^2 + 189702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023333133213 - 2¹⁷ = 1023333002141 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 (1023333133253) 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, 13828826088 + ... + 13828826161.

It is an arithmetic number, because the mean of its divisors is an integer number (262747696375).

Almost surely, 2^{1023333133213} is an apocalyptic number.

It is an amenable number.

1023333133213 is a deficient number, since it is larger than the sum of its proper divisors (27657652287).

1023333133213 is an equidigital number, since it uses as much as digits as its factorization.

1023333133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27657652286.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 1023333133213 its reverse (3123313333201), we get a palindrome (4146646466414).

The spelling of 1023333133213 in words is "one trillion, twenty-three billion, three hundred thirty-three million, one hundred thirty-three thousand, two hundred thirteen".