1223231004234 has 24 divisors (see below), whose sum is σ = 2650435919040. Its totient is φ = 407727964008.

The previous prime is 1223231004221. The next prime is 1223231004239. The reversal of 1223231004234 is 4324001323221.

1223231004234 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 231 + 0 + 0 + 423 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1223231004198 and 1223231004207.

It is not an unprimeable number, because it can be changed into a prime (1223231004239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 823474 + ... + 1767645.

It is an arithmetic number, because the mean of its divisors is an integer number (110434829960).

Almost surely, 2^{1223231004234} is an apocalyptic number.

1223231004234 is an abundant number, since it is smaller than the sum of its proper divisors (1427204914806).

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

1223231004234 is a wasteful number, since it uses less digits than its factorization.

1223231004234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617354 (or 2617351 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1223231004234 its reverse (4324001323221), we get a palindrome (5547232327455).

The spelling of 1223231004234 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-one million, four thousand, two hundred thirty-four".