8123502913 has 8 divisors (see below), whose sum is σ = 8184183840. Its totient is φ = 8062854240.

The previous prime is 8123502899. The next prime is 8123503001. The reversal of 8123502913 is 3192053218.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8123502913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8123502113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781158 + ... + 791488.

It is an arithmetic number, because the mean of its divisors is an integer number (1023022980).

Almost surely, 2^8123502913 is an apocalyptic number.

It is an amenable number.

8123502913 is a deficient number, since it is larger than the sum of its proper divisors (60680927).

8123502913 is a wasteful number, since it uses less digits than its factorization.

8123502913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16127.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 8123502913 is about 90130.4771595047. The cubic root of 8123502913 is about 2010.2393973252.

The spelling of 8123502913 in words is "eight billion, one hundred twenty-three million, five hundred two thousand, nine hundred thirteen".