1223344310232 has 256 divisors, whose sum is σ = 3487526668800. Its totient is φ = 354327367680.

The previous prime is 1223344310191. The next prime is 1223344310273. The reversal of 1223344310232 is 2320134433221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1223344310191) and next prime (1223344310273).

It is a self number, because there is not a number n which added to its sum of digits gives 1223344310232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136483783 + ... + 136492745.

It is an arithmetic number, because the mean of its divisors is an integer number (13623151050).

Almost surely, 2^{1223344310232} is an apocalyptic number.

1223344310232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223344310232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743763334400).

1223344310232 is an abundant number, since it is smaller than the sum of its proper divisors (2264182358568).

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

1223344310232 is a wasteful number, since it uses less digits than its factorization.

1223344310232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9266 (or 9262 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 1223344310232 its reverse (2320134433221), we get a palindrome (3543478743453).

The spelling of 1223344310232 in words is "one trillion, two hundred twenty-three billion, three hundred forty-four million, three hundred ten thousand, two hundred thirty-two".