650386923 has 4 divisors (see below), whose sum is σ = 867182568. Its totient is φ = 433591280.

The previous prime is 650386907. The next prime is 650386931. The reversal of 650386923 is 329683056.

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 650386923 - 2⁴ = 650386907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650386943) 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, 108397818 + ... + 108397823.

It is an arithmetic number, because the mean of its divisors is an integer number (216795642).

Almost surely, 2^650386923 is an apocalyptic number.

650386923 is a deficient number, since it is larger than the sum of its proper divisors (216795645).

650386923 is a wasteful number, since it uses less digits than its factorization.

650386923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216795644.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 650386923 is about 25502.6846233882. The cubic root of 650386923 is about 866.4109521874.

The spelling of 650386923 in words is "six hundred fifty million, three hundred eighty-six thousand, nine hundred twenty-three".