1223410042340 has 12 divisors (see below), whose sum is σ = 2569161088956. Its totient is φ = 489364016928.

The previous prime is 1223410042321. The next prime is 1223410042343. The reversal of 1223410042340 is 432400143221.

It can be written as a sum of positive squares in 2 ways, for example, as 569200838116 + 654209204224 = 754454^2 + 808832^2 .

It is not an unprimeable number, because it can be changed into a prime (1223410042343) 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, 30585251039 + ... + 30585251078.

It is an arithmetic number, because the mean of its divisors is an integer number (214096757413).

Almost surely, 2^{1223410042340} is an apocalyptic number.

1223410042340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223410042340 is an abundant number, since it is smaller than the sum of its proper divisors (1345751046616).

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

1223410042340 is a wasteful number, since it uses less digits than its factorization.

1223410042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61170502126 (or 61170502124 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1223410042340 its reverse (432400143221), we get a palindrome (1655810185561).

The spelling of 1223410042340 in words is "one trillion, two hundred twenty-three billion, four hundred ten million, forty-two thousand, three hundred forty".