1312342423402 has 8 divisors (see below), whose sum is σ = 2021716706436. Its totient is φ = 638436854592.

The previous prime is 1312342423393. The next prime is 1312342423411. The reversal of 1312342423402 is 2043242432131.

It is an interprime number because it is at equal distance from previous prime (1312342423393) and next prime (1312342423411).

It can be written as a sum of positive squares in 2 ways, for example, as 978039903681 + 334302519721 = 988959^2 + 578189^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8867178463 + ... + 8867178610.

Almost surely, 2^{1312342423402} is an apocalyptic number.

1312342423402 is a deficient number, since it is larger than the sum of its proper divisors (709374283034).

1312342423402 is a wasteful number, since it uses less digits than its factorization.

1312342423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17734357112.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 1312342423402 its reverse (2043242432131), we get a palindrome (3355584855533).

The spelling of 1312342423402 in words is "one trillion, three hundred twelve billion, three hundred forty-two million, four hundred twenty-three thousand, four hundred two".