1103404123 has 8 divisors (see below), whose sum is σ = 1130976000. Its totient is φ = 1075919208.

The previous prime is 1103404117. The next prime is 1103404129. The reversal of 1103404123 is 3214043011.

It is an interprime number because it is at equal distance from previous prime (1103404117) and next prime (1103404129).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1103404123 - 2¹⁷ = 1103273051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103404123.

It is not an unprimeable number, because it can be changed into a prime (1103404129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4338 + ... + 47176.

It is an arithmetic number, because the mean of its divisors is an integer number (141372000).

Almost surely, 2^1103404123 is an apocalyptic number.

1103404123 is a deficient number, since it is larger than the sum of its proper divisors (27571877).

1103404123 is an equidigital number, since it uses as much as digits as its factorization.

1103404123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43481.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1103404123 is about 33217.5273462671. The cubic root of 1103404123 is about 1033.3438699469.

Adding to 1103404123 its reverse (3214043011), we get a palindrome (4317447134).

The spelling of 1103404123 in words is "one billion, one hundred three million, four hundred four thousand, one hundred twenty-three".