650641592323 has 4 divisors (see below), whose sum is σ = 651134130808. Its totient is φ = 650149053840.

The previous prime is 650641592287. The next prime is 650641592431. The reversal of 650641592323 is 323295146056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650641592323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650641590323) 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, 246267261 + ... + 246269902.

It is an arithmetic number, because the mean of its divisors is an integer number (162783532702).

Almost surely, 2^650641592323 is an apocalyptic number.

650641592323 is a deficient number, since it is larger than the sum of its proper divisors (492538485).

650641592323 is a wasteful number, since it uses less digits than its factorization.

650641592323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492538484.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 650641592323 in words is "six hundred fifty billion, six hundred forty-one million, five hundred ninety-two thousand, three hundred twenty-three".