1311033233123 has 8 divisors (see below), whose sum is σ = 1339666974720. Its totient is φ = 1282430300680.

The previous prime is 1311033233077. The next prime is 1311033233129. The reversal of 1311033233123 is 3213323301131.

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 1311033233123 - 2¹⁴ = 1311033216739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1311033233092 and 1311033233101.

It is not an unprimeable number, because it can be changed into a prime (1311033233129) 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, 7616243 + ... + 7786476.

It is an arithmetic number, because the mean of its divisors is an integer number (167458371840).

Almost surely, 2^{1311033233123} is an apocalyptic number.

1311033233123 is a deficient number, since it is larger than the sum of its proper divisors (28633741597).

1311033233123 is a wasteful number, since it uses less digits than its factorization.

1311033233123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404577.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 1311033233123 its reverse (3213323301131), we get a palindrome (4524356534254).

The spelling of 1311033233123 in words is "one trillion, three hundred eleven billion, thirty-three million, two hundred thirty-three thousand, one hundred twenty-three".