8123234638 has 8 divisors (see below), whose sum is σ = 12186005832. Its totient is φ = 4061232696.

The previous prime is 8123234633. The next prime is 8123234653. The reversal of 8123234638 is 8364323218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8123234638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8123234633) 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, 165145 + ... + 208612.

It is an arithmetic number, because the mean of its divisors is an integer number (1523250729).

Almost surely, 2^8123234638 is an apocalyptic number.

8123234638 is a deficient number, since it is larger than the sum of its proper divisors (4062771194).

8123234638 is a wasteful number, since it uses less digits than its factorization.

8123234638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384626.

The product of its digits is 165888, while the sum is 40.

The square root of 8123234638 is about 90128.9888881485. The cubic root of 8123234638 is about 2010.2172680001.

The spelling of 8123234638 in words is "eight billion, one hundred twenty-three million, two hundred thirty-four thousand, six hundred thirty-eight".