1312423345315 has 16 divisors (see below), whose sum is σ = 1579184208000. Its totient is φ = 1047089267712.

The previous prime is 1312423345307. The next prime is 1312423345319. The reversal of 1312423345315 is 5135433242131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1312423345315 - 2³ = 1312423345307 is a prime.

It is a super-3 number, since 3×1312423345315³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312423345319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7672086 + ... + 7841284.

It is an arithmetic number, because the mean of its divisors is an integer number (98699013000).

Almost surely, 2^{1312423345315} is an apocalyptic number.

1312423345315 is a deficient number, since it is larger than the sum of its proper divisors (266760862685).

1312423345315 is a wasteful number, since it uses less digits than its factorization.

1312423345315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173406.

The product of its digits is 129600, while the sum is 37.

Adding to 1312423345315 its reverse (5135433242131), we get a palindrome (6447856587446).

The spelling of 1312423345315 in words is "one trillion, three hundred twelve billion, four hundred twenty-three million, three hundred forty-five thousand, three hundred fifteen".