1223412434 has 4 divisors (see below), whose sum is σ = 1835118654. Its totient is φ = 611706216.

The previous prime is 1223412383. The next prime is 1223412493. The reversal of 1223412434 is 4342143221.

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., 1176284209 + 47128225 = 34297^2 + 6865^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305853107 + ... + 305853110.

Almost surely, 2^1223412434 is an apocalyptic number.

1223412434 is a deficient number, since it is larger than the sum of its proper divisors (611706220).

1223412434 is an equidigital number, since it uses as much as digits as its factorization.

1223412434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611706219.

The product of its digits is 4608, while the sum is 26.

The square root of 1223412434 is about 34977.3131329438. The cubic root of 1223412434 is about 1069.5250560520.

Adding to 1223412434 its reverse (4342143221), we get a palindrome (5565555655).

The spelling of 1223412434 in words is "one billion, two hundred twenty-three million, four hundred twelve thousand, four hundred thirty-four".