1312032023123 has 4 divisors (see below), whose sum is σ = 1336787344368. Its totient is φ = 1287276701880.

The previous prime is 1312032023101. The next prime is 1312032023131. The reversal of 1312032023123 is 3213202302131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1312032023123 - 2³⁸ = 1037154116179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312032023723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12377660543 + ... + 12377660648.

It is an arithmetic number, because the mean of its divisors is an integer number (334196836092).

Almost surely, 2^{1312032023123} is an apocalyptic number.

1312032023123 is a deficient number, since it is larger than the sum of its proper divisors (24755321245).

1312032023123 is an equidigital number, since it uses as much as digits as its factorization.

1312032023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24755321244.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1312032023123 its reverse (3213202302131), we get a palindrome (4525234325254).

The spelling of 1312032023123 in words is "one trillion, three hundred twelve billion, thirty-two million, twenty-three thousand, one hundred twenty-three".