1201200223023 has 20 divisors (see below), whose sum is σ = 1800863478040. Its totient is φ = 797909158512.

The previous prime is 1201200222983. The next prime is 1201200223057. The reversal of 1201200223023 is 3203220021021.

It is not a de Polignac number, because 1201200223023 - 2¹⁰ = 1201200221999 is a prime.

It is a super-4 number, since 4×1201200223023⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201200222987 and 1201200223005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201200224023) 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 19 ways as a sum of consecutive naturals, for example, 26745853 + ... + 26790726.

It is an arithmetic number, because the mean of its divisors is an integer number (90043173902).

Almost surely, 2^{1201200223023} is an apocalyptic number.

1201200223023 is a deficient number, since it is larger than the sum of its proper divisors (599663255017).

1201200223023 is an equidigital number, since it uses as much as digits as its factorization.

1201200223023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53536868 (or 53536859 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1201200223023 its reverse (3203220021021), we get a palindrome (4404420244044).

The spelling of 1201200223023 in words is "one trillion, two hundred one billion, two hundred million, two hundred twenty-three thousand, twenty-three".