1233533091028 has 24 divisors (see below), whose sum is σ = 2467222011072. Its totient is φ = 528623647104.

The previous prime is 1233533090989. The next prime is 1233533091047. The reversal of 1233533091028 is 8201903353321.

It is a super-2 number, since 2×1233533091028² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937525 + ... + 1829212.

It is an arithmetic number, because the mean of its divisors is an integer number (102800917128).

Almost surely, 2^{1233533091028} is an apocalyptic number.

It is an amenable number.

1233533091028 is an abundant number, since it is smaller than the sum of its proper divisors (1233688920044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1233533091028 is a wasteful number, since it uses less digits than its factorization.

1233533091028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782671 (or 2782669 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 1233533091028 in words is "one trillion, two hundred thirty-three billion, five hundred thirty-three million, ninety-one thousand, twenty-eight".