1223322016344 has 48 divisors (see below), whose sum is σ = 3076087096200. Its totient is φ = 405416692224.

The previous prime is 1223322016327. The next prime is 1223322016349. The reversal of 1223322016344 is 4436102233221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223322016349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133249 + ... + 1569840.

Almost surely, 2^{1223322016344} is an apocalyptic number.

It is an amenable number.

1223322016344 is an abundant number, since it is smaller than the sum of its proper divisors (1852765079856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223322016344 is a wasteful number, since it uses less digits than its factorization.

1223322016344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703444 (or 1703267 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 1223322016344 its reverse (4436102233221), we get a palindrome (5659424249565).

The spelling of 1223322016344 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-two million, sixteen thousand, three hundred forty-four".