1233323223123 has 16 divisors (see below), whose sum is σ = 1650700630656. Its totient is φ = 819083615040.

The previous prime is 1233323223107. The next prime is 1233323223157. The reversal of 1233323223123 is 3213223233321.

It is not a de Polignac number, because 1233323223123 - 2⁴ = 1233323223107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1233323223173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298215 + ... + 2037647.

It is an arithmetic number, because the mean of its divisors is an integer number (103168789416).

Almost surely, 2^{1233323223123} is an apocalyptic number.

1233323223123 is a deficient number, since it is larger than the sum of its proper divisors (417377407533).

1233323223123 is a wasteful number, since it uses less digits than its factorization.

1233323223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741554.

The product of its digits is 23328, while the sum is 30.

Adding to 1233323223123 its reverse (3213223233321), we get a palindrome (4446546456444).

The spelling of 1233323223123 in words is "one trillion, two hundred thirty-three billion, three hundred twenty-three million, two hundred twenty-three thousand, one hundred twenty-three".