1223310434145 has 32 divisors (see below), whose sum is σ = 1990632032640. Its totient is φ = 641322240000.

The previous prime is 1223310434113. The next prime is 1223310434147. The reversal of 1223310434145 is 5414340133221.

It is not a de Polignac number, because 1223310434145 - 2⁵ = 1223310434113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223310434147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12497895 + ... + 12595395.

It is an arithmetic number, because the mean of its divisors is an integer number (62207251020).

Almost surely, 2^{1223310434145} is an apocalyptic number.

1223310434145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1223310434145 is a deficient number, since it is larger than the sum of its proper divisors (767321598495).

1223310434145 is a wasteful number, since it uses less digits than its factorization.

1223310434145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111745.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 1223310434145 its reverse (5414340133221), we get a palindrome (6637650567366).

The spelling of 1223310434145 in words is "one trillion, two hundred twenty-three billion, three hundred ten million, four hundred thirty-four thousand, one hundred forty-five".