1243322233231 has 8 divisors (see below), whose sum is σ = 1341410241584. Its totient is φ = 1145583915840.

The previous prime is 1243322233217. The next prime is 1243322233249. The reversal of 1243322233231 is 1323322233421.

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

It is not a de Polignac number, because 1243322233231 - 2⁵ = 1243322233199 is a prime.

It is a super-2 number, since 2×1243322233231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1243322233193 and 1243322233202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243322231231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87415350 + ... + 87429571.

It is an arithmetic number, because the mean of its divisors is an integer number (167676280198).

Almost surely, 2^{1243322233231} is an apocalyptic number.

1243322233231 is a deficient number, since it is larger than the sum of its proper divisors (98088008353).

1243322233231 is a wasteful number, since it uses less digits than its factorization.

1243322233231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174845481.

The product of its digits is 31104, while the sum is 31.

Adding to 1243322233231 its reverse (1323322233421), we get a palindrome (2566644466652).

The spelling of 1243322233231 in words is "one trillion, two hundred forty-three billion, three hundred twenty-two million, two hundred thirty-three thousand, two hundred thirty-one".