650405253423 has 8 divisors (see below), whose sum is σ = 867423120048. Its totient is φ = 433495444544.

The previous prime is 650405253397. The next prime is 650405253479. The reversal of 650405253423 is 324352504056.

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

It is a cyclic number.

It is not a de Polignac number, because 650405253423 - 2⁶ = 650405253359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650405251423) 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, 27000390 + ... + 27024467.

It is an arithmetic number, because the mean of its divisors is an integer number (108427890006).

Almost surely, 2^650405253423 is an apocalyptic number.

650405253423 is a deficient number, since it is larger than the sum of its proper divisors (217017866625).

650405253423 is a wasteful number, since it uses less digits than its factorization.

650405253423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54028873.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 650405253423 its reverse (324352504056), we get a palindrome (974757757479).

The spelling of 650405253423 in words is "six hundred fifty billion, four hundred five million, two hundred fifty-three thousand, four hundred twenty-three".