8537913123 has 4 divisors (see below), whose sum is σ = 11383884168. Its totient is φ = 5691942080.

The previous prime is 8537913119. The next prime is 8537913151. The reversal of 8537913123 is 3213197358.

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 8537913123 - 2² = 8537913119 is a prime.

It is a super-2 number, since 2×8537913123² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8537913193) 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, 1422985518 + ... + 1422985523.

It is an arithmetic number, because the mean of its divisors is an integer number (2845971042).

Almost surely, 2^8537913123 is an apocalyptic number.

8537913123 is a deficient number, since it is larger than the sum of its proper divisors (2845971045).

8537913123 is a wasteful number, since it uses less digits than its factorization.

8537913123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845971044.

The product of its digits is 136080, while the sum is 42.

The square root of 8537913123 is about 92400.8285839472. The cubic root of 8537913123 is about 2043.8573310034.

The spelling of 8537913123 in words is "eight billion, five hundred thirty-seven million, nine hundred thirteen thousand, one hundred twenty-three".