104400433243 has 4 divisors (see below), whose sum is σ = 104403648888. Its totient is φ = 104397217600.

The previous prime is 104400433237. The next prime is 104400433259. The reversal of 104400433243 is 342334004401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104400433243 is a prime.

It is a super-2 number, since 2×104400433243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104400433223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558621 + ... + 1624222.

It is an arithmetic number, because the mean of its divisors is an integer number (26100912222).

Almost surely, 2^104400433243 is an apocalyptic number.

104400433243 is a deficient number, since it is larger than the sum of its proper divisors (3215645).

104400433243 is an equidigital number, since it uses as much as digits as its factorization.

104400433243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215644.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 104400433243 its reverse (342334004401), we get a palindrome (446734437644).

The spelling of 104400433243 in words is "one hundred four billion, four hundred million, four hundred thirty-three thousand, two hundred forty-three".