8123923077 has 4 divisors (see below), whose sum is σ = 10831897440. Its totient is φ = 5415948716.

The previous prime is 8123923057. The next prime is 8123923079. The reversal of 8123923077 is 7703293218.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8123923077 - 2⁶ = 8123923013 is a prime.

It is a super-2 number, since 2×8123923077² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8123923079) 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, 1353987177 + ... + 1353987182.

It is an arithmetic number, because the mean of its divisors is an integer number (2707974360).

Almost surely, 2^8123923077 is an apocalyptic number.

It is an amenable number.

8123923077 is a deficient number, since it is larger than the sum of its proper divisors (2707974363).

8123923077 is a wasteful number, since it uses less digits than its factorization.

8123923077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707974362.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 8123923077 is about 90132.8079946475. The cubic root of 8123923077 is about 2010.2740546101.

The spelling of 8123923077 in words is "eight billion, one hundred twenty-three million, nine hundred twenty-three thousand, seventy-seven".