868359923 has 4 divisors (see below), whose sum is σ = 876957648. Its totient is φ = 859762200.

The previous prime is 868359911. The next prime is 868359929. The reversal of 868359923 is 329953868.

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 868359923 - 2⁶ = 868359859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868359929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4298711 + ... + 4298912.

It is an arithmetic number, because the mean of its divisors is an integer number (219239412).

Almost surely, 2^868359923 is an apocalyptic number.

868359923 is a deficient number, since it is larger than the sum of its proper divisors (8597725).

868359923 is a wasteful number, since it uses less digits than its factorization.

868359923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597724.

The product of its digits is 2799360, while the sum is 53.

The square root of 868359923 is about 29467.9473835556. The cubic root of 868359923 is about 954.0400148323.

The spelling of 868359923 in words is "eight hundred sixty-eight million, three hundred fifty-nine thousand, nine hundred twenty-three".