23214302021 has 2 divisors, whose sum is σ = 23214302022. Its totient is φ = 23214302020.

The previous prime is 23214302003. The next prime is 23214302093. The reversal of 23214302021 is 12020341232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21700236100 + 1514065921 = 147310^2 + 38911^2 .

It is a cyclic number.

It is not a de Polignac number, because 23214302021 - 2³⁴ = 6034432837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23214301984 and 23214302002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23214302821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11607151010 + 11607151011.

It is an arithmetic number, because the mean of its divisors is an integer number (11607151011).

Almost surely, 2^23214302021 is an apocalyptic number.

It is an amenable number.

23214302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

23214302021 is an equidigital number, since it uses as much as digits as its factorization.

23214302021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23214302021 its reverse (12020341232), we get a palindrome (35234643253).

The spelling of 23214302021 in words is "twenty-three billion, two hundred fourteen million, three hundred two thousand, twenty-one".