1223440414345 has 16 divisors (see below), whose sum is σ = 1546595628480. Its totient is φ = 926520724800.

The previous prime is 1223440414333. The next prime is 1223440414351. The reversal of 1223440414345 is 5434140443221.

It is a happy number.

It is not a de Polignac number, because 1223440414345 - 2¹⁵ = 1223440381577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4865086 + ... + 5110375.

It is an arithmetic number, because the mean of its divisors is an integer number (96662226780).

Almost surely, 2^{1223440414345} is an apocalyptic number.

It is an amenable number.

1223440414345 is a deficient number, since it is larger than the sum of its proper divisors (323155214135).

1223440414345 is a wasteful number, since it uses less digits than its factorization.

1223440414345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976776.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 1223440414345 its reverse (5434140443221), we get a palindrome (6657580857566).

The spelling of 1223440414345 in words is "one trillion, two hundred twenty-three billion, four hundred forty million, four hundred fourteen thousand, three hundred forty-five".