1123020203033 has 4 divisors (see below), whose sum is σ = 1123029127860. Its totient is φ = 1123011278208.

The previous prime is 1123020203029. The next prime is 1123020203047. The reversal of 1123020203033 is 3303020203211.

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 345258482569 + 777761720464 = 587587^2 + 881908^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123020203033 - 2² = 1123020203029 is a prime.

It is a super-2 number, since 2×1123020203033² (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 = 1123020202996 and 1123020203014.

It is not an unprimeable number, because it can be changed into a prime (1123020203083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4270928 + ... + 4526241.

It is an arithmetic number, because the mean of its divisors is an integer number (280757281965).

Almost surely, 2^{1123020203033} is an apocalyptic number.

It is an amenable number.

1123020203033 is a deficient number, since it is larger than the sum of its proper divisors (8924827).

1123020203033 is an equidigital number, since it uses as much as digits as its factorization.

1123020203033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8924826.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1123020203033 its reverse (3303020203211), we get a palindrome (4426040406244).

The spelling of 1123020203033 in words is "one trillion, one hundred twenty-three billion, twenty million, two hundred three thousand, thirty-three".