650421201023 has 16 divisors (see below), whose sum is σ = 729421284480. Its totient is φ = 574763364000.

The previous prime is 650421201013. The next prime is 650421201037. The reversal of 650421201023 is 320102124056.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 650421201023 - 2⁴ = 650421201007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650421200983 and 650421201001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650421201013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332513 + ... + 1188026.

It is an arithmetic number, because the mean of its divisors is an integer number (45588830280).

Almost surely, 2^650421201023 is an apocalyptic number.

650421201023 is a deficient number, since it is larger than the sum of its proper divisors (79000083457).

650421201023 is a wasteful number, since it uses less digits than its factorization.

650421201023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521638.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 650421201023 its reverse (320102124056), we get a palindrome (970523325079).

The spelling of 650421201023 in words is "six hundred fifty billion, four hundred twenty-one million, two hundred one thousand, twenty-three".