1223363135344 has 20 divisors (see below), whose sum is σ = 2708875514224. Its totient is φ = 524298486528.

The previous prime is 1223363135321. The next prime is 1223363135347. The reversal of 1223363135344 is 4435313633221.

It is a junction number, because it is equal to n+sod(n) for n = 1223363135297 and 1223363135306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223363135347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5461442457 + ... + 5461442680.

Almost surely, 2^{1223363135344} is an apocalyptic number.

1223363135344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1223363135344 is an abundant number, since it is smaller than the sum of its proper divisors (1485512378880).

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

1223363135344 is a wasteful number, since it uses less digits than its factorization.

1223363135344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10922885152 (or 10922885146 counting only the distinct ones).

The product of its digits is 466560, while the sum is 40.

Adding to 1223363135344 its reverse (4435313633221), we get a palindrome (5658676768565).

The spelling of 1223363135344 in words is "one trillion, two hundred twenty-three billion, three hundred sixty-three million, one hundred thirty-five thousand, three hundred forty-four".