1201113313323 has 64 divisors (see below), whose sum is σ = 2020798070784. Its totient is φ = 616437360000.

The previous prime is 1201113313319. The next prime is 1201113313339. The reversal of 1201113313323 is 3233133111021.

It is not a de Polignac number, because 1201113313323 - 2² = 1201113313319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201113313293 and 1201113313302.

It is not an unprimeable number, because it can be changed into a prime (1201113313123) 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 63 ways as a sum of consecutive naturals, for example, 10746658 + ... + 10857848.

It is an arithmetic number, because the mean of its divisors is an integer number (31574969856).

Almost surely, 2^{1201113313323} is an apocalyptic number.

1201113313323 is a deficient number, since it is larger than the sum of its proper divisors (819684757461).

1201113313323 is a wasteful number, since it uses less digits than its factorization.

1201113313323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111776.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1201113313323 its reverse (3233133111021), we get a palindrome (4434246424344).

The spelling of 1201113313323 in words is "one trillion, two hundred one billion, one hundred thirteen million, three hundred thirteen thousand, three hundred twenty-three".