8434860823 has 4 divisors (see below), whose sum is σ = 8445773448. Its totient is φ = 8423948200.

The previous prime is 8434860787. The next prime is 8434860839. The reversal of 8434860823 is 3280684348.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8434860823 is a prime.

It is a super-2 number, since 2×8434860823² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434860023) 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, 5455153 + ... + 5456698.

It is an arithmetic number, because the mean of its divisors is an integer number (2111443362).

Almost surely, 2^8434860823 is an apocalyptic number.

8434860823 is a deficient number, since it is larger than the sum of its proper divisors (10912625).

8434860823 is a wasteful number, since it uses less digits than its factorization.

8434860823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912624.

The product of its (nonzero) digits is 884736, while the sum is 46.

The square root of 8434860823 is about 91841.4983708345. The cubic root of 8434860823 is about 2035.6009287247.

The spelling of 8434860823 in words is "eight billion, four hundred thirty-four million, eight hundred sixty thousand, eight hundred twenty-three".