1223322033231 has 10 divisors (see below), whose sum is σ = 1827431679392. Its totient is φ = 815548022100.

The previous prime is 1223322033151. The next prime is 1223322033253. The reversal of 1223322033231 is 1323302233221.

1223322033231 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 322 + 0 + 332 + 3 + 1 = 666.

It is not a de Polignac number, because 1223322033231 - 2¹⁹ = 1223321508943 is a prime.

It is a super-2 number, since 2×1223322033231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223322033195 and 1223322033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223322033331) 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 9 ways as a sum of consecutive naturals, for example, 7551370495 + ... + 7551370656.

Almost surely, 2^{1223322033231} is an apocalyptic number.

1223322033231 is a deficient number, since it is larger than the sum of its proper divisors (604109646161).

1223322033231 is an equidigital number, since it uses as much as digits as its factorization.

1223322033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15102741163 (or 15102741154 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 1223322033231 its reverse (1323302233221), we get a palindrome (2546624266452).

The spelling of 1223322033231 in words is "one trillion, two hundred twenty-three billion, three hundred twenty-two million, thirty-three thousand, two hundred thirty-one".