1243320233422 has 8 divisors (see below), whose sum is σ = 1910467675872. Its totient is φ = 606497674800.

The previous prime is 1243320233411. The next prime is 1243320233429. The reversal of 1243320233422 is 2243320233421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243320233429) 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, 7581220854 + ... + 7581221017.

It is an arithmetic number, because the mean of its divisors is an integer number (238808459484).

Almost surely, 2^{1243320233422} is an apocalyptic number.

1243320233422 is a deficient number, since it is larger than the sum of its proper divisors (667147442450).

1243320233422 is a wasteful number, since it uses less digits than its factorization.

1243320233422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15162441914.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 1243320233422 its reverse (2243320233421), we get a palindrome (3486640466843).

Subtracting 1243320233422 from its reverse (2243320233421), we obtain a palindrome (999999999999).

The spelling of 1243320233422 in words is "one trillion, two hundred forty-three billion, three hundred twenty million, two hundred thirty-three thousand, four hundred twenty-two".