13123332323434 has 4 divisors (see below), whose sum is σ = 19684998485154. Its totient is φ = 6561666161716.

The previous prime is 13123332323411. The next prime is 13123332323449. The reversal of 13123332323434 is 43432323332131.

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., 11205254130625 + 1918078192809 = 3347425^2 + 1384947^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13123332323393 and 13123332323402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280833080857 + ... + 3280833080860.

Almost surely, 2^{13123332323434} is an apocalyptic number.

13123332323434 is a deficient number, since it is larger than the sum of its proper divisors (6561666161720).

13123332323434 is an equidigital number, since it uses as much as digits as its factorization.

13123332323434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6561666161719.

The product of its digits is 279936, while the sum is 37.

Adding to 13123332323434 its reverse (43432323332131), we get a palindrome (56555655655565).

The spelling of 13123332323434 in words is "thirteen trillion, one hundred twenty-three billion, three hundred thirty-two million, three hundred twenty-three thousand, four hundred thirty-four".