1231033332223 has 4 divisors (see below), whose sum is σ = 1231187046480. Its totient is φ = 1230879617968.

The previous prime is 1231033332197. The next prime is 1231033332289. The reversal of 1231033332223 is 3222333301321.

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 1231033332223 - 2⁹ = 1231033331711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231033332191 and 1231033332200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231033332523) 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, 76845115 + ... + 76861132.

It is an arithmetic number, because the mean of its divisors is an integer number (307796761620).

Almost surely, 2^{1231033332223} is an apocalyptic number.

1231033332223 is a deficient number, since it is larger than the sum of its proper divisors (153714257).

1231033332223 is an equidigital number, since it uses as much as digits as its factorization.

1231033332223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153714256.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 1231033332223 its reverse (3222333301321), we get a palindrome (4453366633544).

The spelling of 1231033332223 in words is "one trillion, two hundred thirty-one billion, thirty-three million, three hundred thirty-two thousand, two hundred twenty-three".