1233204305345 has 16 divisors (see below), whose sum is σ = 1559856987840. Its totient is φ = 933363912384.

The previous prime is 1233204305329. The next prime is 1233204305363. The reversal of 1233204305345 is 5435034023321.

It is a cyclic number.

It is not a de Polignac number, because 1233204305345 - 2⁴ = 1233204305329 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8785139 + ... + 8924408.

It is an arithmetic number, because the mean of its divisors is an integer number (97491061740).

Almost surely, 2^{1233204305345} is an apocalyptic number.

It is an amenable number.

1233204305345 is a deficient number, since it is larger than the sum of its proper divisors (326652682495).

1233204305345 is a wasteful number, since it uses less digits than its factorization.

1233204305345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17710304.

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 1233204305345 its reverse (5435034023321), we get a palindrome (6668238328666).

The spelling of 1233204305345 in words is "one trillion, two hundred thirty-three billion, two hundred four million, three hundred five thousand, three hundred forty-five".