1231113213323 has 8 divisors (see below), whose sum is σ = 1406996359680. Its totient is φ = 1055232524520.

The previous prime is 1231113213271. The next prime is 1231113213383. The reversal of 1231113213323 is 3233123111321.

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 1231113213323 - 2²⁸ = 1230844777867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231113213292 and 1231113213301.

It is not an unprimeable number, because it can be changed into a prime (1231113213383) 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, 626048 + ... + 1689426.

It is an arithmetic number, because the mean of its divisors is an integer number (175874544960).

Almost surely, 2^{1231113213323} is an apocalyptic number.

1231113213323 is a deficient number, since it is larger than the sum of its proper divisors (175883146357).

1231113213323 is a wasteful number, since it uses less digits than its factorization.

1231113213323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228777.

The product of its digits is 1944, while the sum is 26.

Adding to 1231113213323 its reverse (3233123111321), we get a palindrome (4464236324644).

The spelling of 1231113213323 in words is "one trillion, two hundred thirty-one billion, one hundred thirteen million, two hundred thirteen thousand, three hundred twenty-three".