23323003300021 has 4 divisors (see below), whose sum is σ = 23457818348172. Its totient is φ = 23188188251872.

The previous prime is 23323003299923. The next prime is 23323003300031. The reversal of 23323003300021 is 12000330032332.

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 19532077479121 + 3790925820900 = 4419511^2 + 1947030^2 .

It is a cyclic number.

It is not a de Polignac number, because 23323003300021 - 2⁹ = 23323003299509 is a prime.

It is a super-2 number, since 2×23323003300021² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23323003299965 and 23323003300001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23323003300031) 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, 67407523816 + ... + 67407524161.

It is an arithmetic number, because the mean of its divisors is an integer number (5864454587043).

Almost surely, 2^{23323003300021} is an apocalyptic number.

It is an amenable number.

23323003300021 is a deficient number, since it is larger than the sum of its proper divisors (134815048151).

23323003300021 is a wasteful number, since it uses less digits than its factorization.

23323003300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134815048150.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 23323003300021 its reverse (12000330032332), we get a palindrome (35323333332353).

The spelling of 23323003300021 in words is "twenty-three trillion, three hundred twenty-three billion, three million, three hundred thousand, twenty-one".