23000320331021 has 16 divisors (see below), whose sum is σ = 25272965995200. Its totient is φ = 20757973468800.

The previous prime is 23000320331011. The next prime is 23000320331057. The reversal of 23000320331021 is 12013302300032.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23000320331021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23000320330984 and 23000320331002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23000320331011) 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, 33019625 + ... + 33708993.

It is an arithmetic number, because the mean of its divisors is an integer number (1579560374700).

Almost surely, 2^{23000320331021} is an apocalyptic number.

It is an amenable number.

23000320331021 is a deficient number, since it is larger than the sum of its proper divisors (2272645664179).

23000320331021 is a wasteful number, since it uses less digits than its factorization.

23000320331021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711340.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23000320331021 its reverse (12013302300032), we get a palindrome (35013622631053).

The spelling of 23000320331021 in words is "twenty-three trillion, three hundred twenty million, three hundred thirty-one thousand, twenty-one".