1223121123233 has 8 divisors (see below), whose sum is σ = 1276352548800. Its totient is φ = 1169894051568.

The previous prime is 1223121123229. The next prime is 1223121123247. The reversal of 1223121123233 is 3323211213221.

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 1223121123233 - 2² = 1223121123229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223121123283) 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, 507803 + ... + 1644416.

It is an arithmetic number, because the mean of its divisors is an integer number (159544068600).

Almost surely, 2^{1223121123233} is an apocalyptic number.

It is an amenable number.

1223121123233 is a deficient number, since it is larger than the sum of its proper divisors (53231425567).

1223121123233 is a wasteful number, since it uses less digits than its factorization.

1223121123233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176951.

The product of its digits is 2592, while the sum is 26.

Adding to 1223121123233 its reverse (3323211213221), we get a palindrome (4546332336454).

The spelling of 1223121123233 in words is "one trillion, two hundred twenty-three billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred thirty-three".