1304167123 has 4 divisors (see below), whose sum is σ = 1490476720. Its totient is φ = 1117857528.

The previous prime is 1304167103. The next prime is 1304167141. The reversal of 1304167123 is 3217614031.

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-1304167123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304167091 and 1304167100.

It is not an unprimeable number, because it can be changed into a prime (1304167103) 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, 93154788 + ... + 93154801.

It is an arithmetic number, because the mean of its divisors is an integer number (372619180).

Almost surely, 2^1304167123 is an apocalyptic number.

1304167123 is a deficient number, since it is larger than the sum of its proper divisors (186309597).

1304167123 is an equidigital number, since it uses as much as digits as its factorization.

1304167123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186309596.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1304167123 is about 36113.2541181212. The cubic root of 1304167123 is about 1092.5577849964.

The spelling of 1304167123 in words is "one billion, three hundred four million, one hundred sixty-seven thousand, one hundred twenty-three".