1233223430311 has 4 divisors (see below), whose sum is σ = 1235008124824. Its totient is φ = 1231438735800.

The previous prime is 1233223430281. The next prime is 1233223430323. The reversal of 1233223430311 is 1130343223321.

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 1233223430311 - 2¹⁷ = 1233223299239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233223430311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233223437311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892346220 + ... + 892347601.

It is an arithmetic number, because the mean of its divisors is an integer number (308752031206).

Almost surely, 2^{1233223430311} is an apocalyptic number.

1233223430311 is a deficient number, since it is larger than the sum of its proper divisors (1784694513).

1233223430311 is an equidigital number, since it uses as much as digits as its factorization.

1233223430311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784694512.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1233223430311 its reverse (1130343223321), we get a palindrome (2363566653632).

The spelling of 1233223430311 in words is "one trillion, two hundred thirty-three billion, two hundred twenty-three million, four hundred thirty thousand, three hundred eleven".