1361203263223 has 4 divisors (see below), whose sum is σ = 1362118667040. Its totient is φ = 1360287859408.

The previous prime is 1361203263193. The next prime is 1361203263283. The reversal of 1361203263223 is 3223623021631.

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 1361203263223 - 2²¹ = 1361201166071 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 (1361203263283) 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, 457699678 + ... + 457702651.

It is an arithmetic number, because the mean of its divisors is an integer number (340529666760).

Almost surely, 2^{1361203263223} is an apocalyptic number.

1361203263223 is a deficient number, since it is larger than the sum of its proper divisors (915403817).

1361203263223 is an equidigital number, since it uses as much as digits as its factorization.

1361203263223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915403816.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 1361203263223 its reverse (3223623021631), we get a palindrome (4584826284854).

The spelling of 1361203263223 in words is "one trillion, three hundred sixty-one billion, two hundred three million, two hundred sixty-three thousand, two hundred twenty-three".