1123989956233 has 8 divisors (see below), whose sum is σ = 1193536721952. Its totient is φ = 1054824269376.

The previous prime is 1123989956191. The next prime is 1123989956239. The reversal of 1123989956233 is 3326599893211.

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 1123989956233 - 2⁹ = 1123989955721 is a prime.

It is a super-2 number, since 2×1123989956233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123989956239) 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 7 ways as a sum of consecutive naturals, for example, 95263635 + ... + 95275432.

It is an arithmetic number, because the mean of its divisors is an integer number (149192090244).

Almost surely, 2^{1123989956233} is an apocalyptic number.

It is an amenable number.

1123989956233 is a deficient number, since it is larger than the sum of its proper divisors (69546765719).

1123989956233 is a wasteful number, since it uses less digits than its factorization.

1123989956233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190539431.

The product of its digits is 18895680, while the sum is 61.

The spelling of 1123989956233 in words is "one trillion, one hundred twenty-three billion, nine hundred eighty-nine million, nine hundred fifty-six thousand, two hundred thirty-three".