1312423345402 has 32 divisors (see below), whose sum is σ = 2165310991872. Its totient is φ = 592809024384.

The previous prime is 1312423345397. The next prime is 1312423345439. The reversal of 1312423345402 is 2045433242131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32916643 + ... + 32956489.

It is an arithmetic number, because the mean of its divisors is an integer number (67665968496).

Almost surely, 2^{1312423345402} is an apocalyptic number.

1312423345402 is a deficient number, since it is larger than the sum of its proper divisors (852887646470).

1312423345402 is a wasteful number, since it uses less digits than its factorization.

1312423345402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66862.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 1312423345402 its reverse (2045433242131), we get a palindrome (3357856587533).

The spelling of 1312423345402 in words is "one trillion, three hundred twelve billion, four hundred twenty-three million, three hundred forty-five thousand, four hundred two".