8658421023 has 16 divisors (see below), whose sum is σ = 13550374400. Its totient is φ = 4813947936.

The previous prime is 8658421021. The next prime is 8658421043. The reversal of 8658421023 is 3201248568.

It is not a de Polignac number, because 8658421023 - 2¹ = 8658421021 is a prime.

It is a super-2 number, since 2×8658421023² (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 (8658421021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5570923 + ... + 5572476.

It is an arithmetic number, because the mean of its divisors is an integer number (846898400).

Almost surely, 2^8658421023 is an apocalyptic number.

8658421023 is a deficient number, since it is larger than the sum of its proper divisors (4891953377).

8658421023 is a wasteful number, since it uses less digits than its factorization.

8658421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143446.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 8658421023 is about 93050.6368758430. The cubic root of 8658421023 is about 2053.4284113089.

The spelling of 8658421023 in words is "eight billion, six hundred fifty-eight million, four hundred twenty-one thousand, twenty-three".