1310404123 has 8 divisors (see below), whose sum is σ = 1507523840. Its totient is φ = 1115764200.

The previous prime is 1310404097. The next prime is 1310404127. The reversal of 1310404123 is 3214040131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310404123 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 1310404123.

It is not an unprimeable number, because it can be changed into a prime (1310404127) 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, 618813 + ... + 620926.

It is an arithmetic number, because the mean of its divisors is an integer number (188440480).

Almost surely, 2^1310404123 is an apocalyptic number.

1310404123 is a deficient number, since it is larger than the sum of its proper divisors (197119717).

1310404123 is a wasteful number, since it uses less digits than its factorization.

1310404123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239897.

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

The square root of 1310404123 is about 36199.5044579342. The cubic root of 1310404123 is about 1094.2966850612.

Adding to 1310404123 its reverse (3214040131), we get a palindrome (4524444254).

The spelling of 1310404123 in words is "one billion, three hundred ten million, four hundred four thousand, one hundred twenty-three".