8513377423 has 4 divisors (see below), whose sum is σ = 8514838800. Its totient is φ = 8511916048.

The previous prime is 8513377393. The next prime is 8513377427. The reversal of 8513377423 is 3247733158.

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 8513377423 - 2¹³ = 8513369231 is a prime.

It is a super-2 number, since 2×8513377423² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8513377423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8513377427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721915 + ... + 733612.

It is an arithmetic number, because the mean of its divisors is an integer number (2128709700).

Almost surely, 2^8513377423 is an apocalyptic number.

8513377423 is a deficient number, since it is larger than the sum of its proper divisors (1461377).

8513377423 is a wasteful number, since it uses less digits than its factorization.

8513377423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461376.

The product of its digits is 423360, while the sum is 43.

The square root of 8513377423 is about 92267.9653129947. The cubic root of 8513377423 is about 2041.8976177699.

The spelling of 8513377423 in words is "eight billion, five hundred thirteen million, three hundred seventy-seven thousand, four hundred twenty-three".