104243434402 has 4 divisors (see below), whose sum is σ = 156365151606. Its totient is φ = 52121717200.

The previous prime is 104243434367. The next prime is 104243434441. The reversal of 104243434402 is 204434342401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204434342401 = 17 ⋅12025549553.

It can be written as a sum of positive squares in only one way, i.e., 99313849881 + 4929584521 = 315141^2 + 70211^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26060858599 + ... + 26060858602.

Almost surely, 2^104243434402 is an apocalyptic number.

104243434402 is a deficient number, since it is larger than the sum of its proper divisors (52121717204).

104243434402 is an equidigital number, since it uses as much as digits as its factorization.

104243434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52121717203.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 104243434402 its reverse (204434342401), we get a palindrome (308677776803).

The spelling of 104243434402 in words is "one hundred four billion, two hundred forty-three million, four hundred thirty-four thousand, four hundred two".