650603123053 has 4 divisors (see below), whose sum is σ = 700649517148. Its totient is φ = 600556728960.

The previous prime is 650603123029. The next prime is 650603123059. The reversal of 650603123053 is 350321306056.

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

It can be written as a sum of positive squares in 2 ways, for example, as 385663356324 + 264939766729 = 621018^2 + 514723^2 .

It is a cyclic number.

It is not a de Polignac number, because 650603123053 - 2¹⁷ = 650602991981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650603123059) 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, 25023197028 + ... + 25023197053.

It is an arithmetic number, because the mean of its divisors is an integer number (175162379287).

Almost surely, 2^650603123053 is an apocalyptic number.

It is an amenable number.

650603123053 is a deficient number, since it is larger than the sum of its proper divisors (50046394095).

650603123053 is a wasteful number, since it uses less digits than its factorization.

650603123053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50046394094.

The product of its (nonzero) digits is 48600, while the sum is 34.

The spelling of 650603123053 in words is "six hundred fifty billion, six hundred three million, one hundred twenty-three thousand, fifty-three".