1201100233023 has 24 divisors (see below), whose sum is σ = 1736383106640. Its totient is φ = 800059628160.

The previous prime is 1201100233019. The next prime is 1201100233031. The reversal of 1201100233023 is 3203320011021.

It is not a de Polignac number, because 1201100233023 - 2² = 1201100233019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201100232987 and 1201100233005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201100233063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122518840 + ... + 122528642.

It is an arithmetic number, because the mean of its divisors is an integer number (72349296110).

Almost surely, 2^{1201100233023} is an apocalyptic number.

1201100233023 is a deficient number, since it is larger than the sum of its proper divisors (535282873617).

1201100233023 is a wasteful number, since it uses less digits than its factorization.

1201100233023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19879 (or 19876 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1201100233023 its reverse (3203320011021), we get a palindrome (4404420244044).

The spelling of 1201100233023 in words is "one trillion, two hundred one billion, one hundred million, two hundred thirty-three thousand, twenty-three".