1201310323203 has 8 divisors (see below), whose sum is σ = 1604931487488. Its totient is φ = 799281353864.

The previous prime is 1201310323177. The next prime is 1201310323207. The reversal of 1201310323203 is 3023230131021.

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 1201310323203 - 2⁶ = 1201310323139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201310323203.

It is not an unprimeable number, because it can be changed into a prime (1201310323207) 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, 398046975 + ... + 398049992.

It is an arithmetic number, because the mean of its divisors is an integer number (200616435936).

Almost surely, 2^{1201310323203} is an apocalyptic number.

1201310323203 is a deficient number, since it is larger than the sum of its proper divisors (403621164285).

1201310323203 is an equidigital number, since it uses as much as digits as its factorization.

1201310323203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796097473.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1201310323203 its reverse (3023230131021), we get a palindrome (4224540454224).

The spelling of 1201310323203 in words is "one trillion, two hundred one billion, three hundred ten million, three hundred twenty-three thousand, two hundred three".