1223402341420 has 48 divisors (see below), whose sum is σ = 2938712551488. Its totient is φ = 419088384000.

The previous prime is 1223402341393. The next prime is 1223402341517. The reversal of 1223402341420 is 241432043221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3628081 + ... + 3950920.

It is an arithmetic number, because the mean of its divisors is an integer number (61223178156).

Almost surely, 2^{1223402341420} is an apocalyptic number.

1223402341420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223402341420 is an abundant number, since it is smaller than the sum of its proper divisors (1715310210068).

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

1223402341420 is a wasteful number, since it uses less digits than its factorization.

1223402341420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580170 (or 7580168 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1223402341420 its reverse (241432043221), we get a palindrome (1464834384641).

The spelling of 1223402341420 in words is "one trillion, two hundred twenty-three billion, four hundred two million, three hundred forty-one thousand, four hundred twenty".