1223467788911 has 8 divisors (see below), whose sum is σ = 1256908270464. Its totient is φ = 1190254023000.

The previous prime is 1223467788901. The next prime is 1223467788913. The reversal of 1223467788911 is 1198877643221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223467788911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223467788913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56667971 + ... + 56689556.

It is an arithmetic number, because the mean of its divisors is an integer number (157113533808).

Almost surely, 2^{1223467788911} is an apocalyptic number.

1223467788911 is a deficient number, since it is larger than the sum of its proper divisors (33440481553).

1223467788911 is a wasteful number, since it uses less digits than its factorization.

1223467788911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113357821.

The product of its digits is 8128512, while the sum is 59.

The spelling of 1223467788911 in words is "one trillion, two hundred twenty-three billion, four hundred sixty-seven million, seven hundred eighty-eight thousand, nine hundred eleven".