650431144323 has 12 divisors (see below), whose sum is σ = 939518758048. Its totient is φ = 433617483600.

The previous prime is 650431144267. The next prime is 650431144351. The reversal of 650431144323 is 323441134056.

650431144323 is a `hidden beast` number, since 6 + 50 + 431 + 144 + 32 + 3 = 666.

650431144323 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 650431144323 - 2¹⁷ = 650431013251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650431184323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1856598 + ... + 2178948.

Almost surely, 2^650431144323 is an apocalyptic number.

650431144323 is a deficient number, since it is larger than the sum of its proper divisors (289087613725).

650431144323 is a wasteful number, since it uses less digits than its factorization.

650431144323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546554 (or 546551 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 650431144323 its reverse (323441134056), we get a palindrome (973872278379).

The spelling of 650431144323 in words is "six hundred fifty billion, four hundred thirty-one million, one hundred forty-four thousand, three hundred twenty-three".