1223322402342 has 32 divisors (see below), whose sum is σ = 2503979786880. Its totient is φ = 398221608960.

The previous prime is 1223322402257. The next prime is 1223322402359. The reversal of 1223322402342 is 2432042233221.

It is a congruent number.

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, 1080742 + ... + 1901222.

It is an arithmetic number, because the mean of its divisors is an integer number (78249368340).

Almost surely, 2^{1223322402342} is an apocalyptic number.

1223322402342 is an abundant number, since it is smaller than the sum of its proper divisors (1280657384538).

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

1223322402342 is a wasteful number, since it uses less digits than its factorization.

1223322402342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826308.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 1223322402342 its reverse (2432042233221), we get a palindrome (3655364635563).

The spelling of 1223322402342 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-two million, four hundred two thousand, three hundred forty-two".