1201133223323 has 4 divisors (see below), whose sum is σ = 1310327152728. Its totient is φ = 1091939293920.

The previous prime is 1201133223299. The next prime is 1201133223331. The reversal of 1201133223323 is 3233223311021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201133223323 - 2²⁰ = 1201132174747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201133223292 and 1201133223301.

It is not an unprimeable number, because it can be changed into a prime (1201133223023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54596964686 + ... + 54596964707.

It is an arithmetic number, because the mean of its divisors is an integer number (327581788182).

Almost surely, 2^{1201133223323} is an apocalyptic number.

1201133223323 is a deficient number, since it is larger than the sum of its proper divisors (109193929405).

1201133223323 is a wasteful number, since it uses less digits than its factorization.

1201133223323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109193929404.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 1201133223323 its reverse (3233223311021), we get a palindrome (4434356534344).

The spelling of 1201133223323 in words is "one trillion, two hundred one billion, one hundred thirty-three million, two hundred twenty-three thousand, three hundred twenty-three".