621023301302323 has 16 divisors (see below), whose sum is σ = 653315589144576. Its totient is φ = 589174656063840.

The previous prime is 621023301302249. The next prime is 621023301302329. The reversal of 621023301302323 is 323203103320126.

It is not a de Polignac number, because 621023301302323 - 2⁴¹ = 618824278046771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621023301302329) 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, 20605011 + ... + 40824172.

It is an arithmetic number, because the mean of its divisors is an integer number (40832224321536).

Almost surely, 2^{621023301302323} is an apocalyptic number.

621023301302323 is a deficient number, since it is larger than the sum of its proper divisors (32292287842253).

621023301302323 is a wasteful number, since it uses less digits than its factorization.

621023301302323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61432794.

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 621023301302323 its reverse (323203103320126), we get a palindrome (944226404622449).

The spelling of 621023301302323 in words is "six hundred twenty-one trillion, twenty-three billion, three hundred one million, three hundred two thousand, three hundred twenty-three".