1123818633628 has 48 divisors (see below), whose sum is σ = 2035138258944. Its totient is φ = 542441200320.

The previous prime is 1123818633601. The next prime is 1123818633643. The reversal of 1123818633628 is 8263368183211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216241126 + ... + 216246322.

It is an arithmetic number, because the mean of its divisors is an integer number (42398713728).

Almost surely, 2^{1123818633628} is an apocalyptic number.

It is an amenable number.

1123818633628 is a deficient number, since it is larger than the sum of its proper divisors (911319625316).

1123818633628 is a wasteful number, since it uses less digits than its factorization.

1123818633628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9202 (or 9200 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The spelling of 1123818633628 in words is "one trillion, one hundred twenty-three billion, eight hundred eighteen million, six hundred thirty-three thousand, six hundred twenty-eight".