1312373143653 has 32 divisors (see below), whose sum is σ = 2059358636160. Its totient is φ = 732904304640.

The previous prime is 1312373143597. The next prime is 1312373143663. The reversal of 1312373143653 is 3563413732131.

It is not a de Polignac number, because 1312373143653 - 2⁸ = 1312373143397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312373143663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2444076 + ... + 2932277.

It is an arithmetic number, because the mean of its divisors is an integer number (64354957380).

Almost surely, 2^{1312373143653} is an apocalyptic number.

1312373143653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312373143653 is a deficient number, since it is larger than the sum of its proper divisors (746985492507).

1312373143653 is a wasteful number, since it uses less digits than its factorization.

1312373143653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5376949.

The product of its digits is 408240, while the sum is 42.

Adding to 1312373143653 its reverse (3563413732131), we get a palindrome (4875786875784).

The spelling of 1312373143653 in words is "one trillion, three hundred twelve billion, three hundred seventy-three million, one hundred forty-three thousand, six hundred fifty-three".