13145392023 has 4 divisors (see below), whose sum is σ = 17527189368. Its totient is φ = 8763594680.

The previous prime is 13145392021. The next prime is 13145392031. The reversal of 13145392023 is 32029354131.

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 13145392023 - 2¹ = 13145392021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13145392021) 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, 2190898668 + ... + 2190898673.

It is an arithmetic number, because the mean of its divisors is an integer number (4381797342).

Almost surely, 2^13145392023 is an apocalyptic number.

13145392023 is a deficient number, since it is larger than the sum of its proper divisors (4381797345).

13145392023 is an equidigital number, since it uses as much as digits as its factorization.

13145392023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381797344.

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 13145392023 in words is "thirteen billion, one hundred forty-five million, three hundred ninety-two thousand, twenty-three".