1104312443 has 4 divisors (see below), whose sum is σ = 1189259568. Its totient is φ = 1019365320.

The previous prime is 1104312437. The next prime is 1104312479. The reversal of 1104312443 is 3442134011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3442134011 = 31 ⋅111036581.

It is a cyclic number.

It is not a de Polignac number, because 1104312443 - 2²⁴ = 1087535227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104312403) 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, 42473543 + ... + 42473568.

It is an arithmetic number, because the mean of its divisors is an integer number (297314892).

Almost surely, 2^1104312443 is an apocalyptic number.

1104312443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1104312443 is a deficient number, since it is larger than the sum of its proper divisors (84947125).

1104312443 is an equidigital number, since it uses as much as digits as its factorization.

1104312443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84947124.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1104312443 is about 33231.1968336983. The cubic root of 1104312443 is about 1033.6273410249.

Adding to 1104312443 its reverse (3442134011), we get a palindrome (4546446454).

The spelling of 1104312443 in words is "one billion, one hundred four million, three hundred twelve thousand, four hundred forty-three".