1233900111728 has 10 divisors (see below), whose sum is σ = 2390681466504. Its totient is φ = 616950055856.

The previous prime is 1233900111707. The next prime is 1233900111739. The reversal of 1233900111728 is 8271110093321.

It is a junction number, because it is equal to n+sod(n) for n = 1233900111691 and 1233900111700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38559378476 + ... + 38559378507.

Almost surely, 2^{1233900111728} is an apocalyptic number.

It is an amenable number.

1233900111728 is a deficient number, since it is larger than the sum of its proper divisors (1156781354776).

1233900111728 is an equidigital number, since it uses as much as digits as its factorization.

1233900111728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77118756991 (or 77118756985 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 1233900111728 in words is "one trillion, two hundred thirty-three billion, nine hundred million, one hundred eleven thousand, seven hundred twenty-eight".