1304310123 has 6 divisors (see below), whose sum is σ = 1884003524. Its totient is φ = 869540076.

The previous prime is 1304310107. The next prime is 1304310127. The reversal of 1304310123 is 3210134031.

It is not a de Polignac number, because 1304310123 - 2⁴ = 1304310107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304310096 and 1304310105.

It is not an unprimeable number, because it can be changed into a prime (1304310127) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72461665 + ... + 72461682.

Almost surely, 2^1304310123 is an apocalyptic number.

1304310123 is a deficient number, since it is larger than the sum of its proper divisors (579693401).

1304310123 is a wasteful number, since it uses less digits than its factorization.

1304310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144923353 (or 144923350 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1304310123 is about 36115.2339463557. The cubic root of 1304310123 is about 1092.5977159865.

Adding to 1304310123 its reverse (3210134031), we get a palindrome (4514444154).

The spelling of 1304310123 in words is "one billion, three hundred four million, three hundred ten thousand, one hundred twenty-three".