21323030123301 has 4 divisors (see below), whose sum is σ = 28430706831072. Its totient is φ = 14215353415532.

The previous prime is 21323030123261. The next prime is 21323030123309. The reversal of 21323030123301 is 10332103032312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21323030123301 - 2⁶ = 21323030123237 is a prime.

It is a super-2 number, since 2×21323030123301² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323030123309) 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, 3553838353881 + ... + 3553838353886.

It is an arithmetic number, because the mean of its divisors is an integer number (7107676707768).

Almost surely, 2^{21323030123301} is an apocalyptic number.

It is an amenable number.

21323030123301 is a deficient number, since it is larger than the sum of its proper divisors (7107676707771).

21323030123301 is an equidigital number, since it uses as much as digits as its factorization.

21323030123301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107676707770.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21323030123301 its reverse (10332103032312), we get a palindrome (31655133155613).

The spelling of 21323030123301 in words is "twenty-one trillion, three hundred twenty-three billion, thirty million, one hundred twenty-three thousand, three hundred one".