1223322402340 has 24 divisors (see below), whose sum is σ = 2623636132992. Its totient is φ = 478917706080.

The previous prime is 1223322402257. The next prime is 1223322402359. The reversal of 1223322402340 is 432042233221.

It is a junction number, because it is equal to n+sod(n) for n = 1223322402299 and 1223322402308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650702466 + ... + 650704345.

It is an arithmetic number, because the mean of its divisors is an integer number (109318172208).

Almost surely, 2^{1223322402340} is an apocalyptic number.

1223322402340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223322402340 is an abundant number, since it is smaller than the sum of its proper divisors (1400313730652).

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

1223322402340 is a wasteful number, since it uses less digits than its factorization.

1223322402340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301406867 (or 1301406865 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1223322402340 its reverse (432042233221), we get a palindrome (1655364635561).

The spelling of 1223322402340 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-two million, four hundred two thousand, three hundred forty".