1223241431234 has 4 divisors (see below), whose sum is σ = 1834862146854. Its totient is φ = 611620715616.

The previous prime is 1223241431213. The next prime is 1223241431249. The reversal of 1223241431234 is 4321341423221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1017808588225 + 205432843009 = 1008865^2 + 453247^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1223241431234.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 305810357807 + ... + 305810357810.

Almost surely, 2^{1223241431234} is an apocalyptic number.

1223241431234 is a deficient number, since it is larger than the sum of its proper divisors (611620715620).

1223241431234 is an equidigital number, since it uses as much as digits as its factorization.

1223241431234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611620715619.

The product of its digits is 27648, while the sum is 32.

Adding to 1223241431234 its reverse (4321341423221), we get a palindrome (5544582854455).

The spelling of 1223241431234 in words is "one trillion, two hundred twenty-three billion, two hundred forty-one million, four hundred thirty-one thousand, two hundred thirty-four".