13261582023 has 4 divisors (see below), whose sum is σ = 17682109368. Its totient is φ = 8841054680.

The previous prime is 13261582021. The next prime is 13261582027. The reversal of 13261582023 is 32028516231.

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 13261582023 - 2¹ = 13261582021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13261582021) 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, 2210263668 + ... + 2210263673.

It is an arithmetic number, because the mean of its divisors is an integer number (4420527342).

Almost surely, 2^13261582023 is an apocalyptic number.

13261582023 is a deficient number, since it is larger than the sum of its proper divisors (4420527345).

13261582023 is an equidigital number, since it uses as much as digits as its factorization.

13261582023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420527344.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 13261582023 in words is "thirteen billion, two hundred sixty-one million, five hundred eighty-two thousand, twenty-three".