2320030010021 has 2 divisors, whose sum is σ = 2320030010022. Its totient is φ = 2320030010020.

The previous prime is 2320030010017. The next prime is 2320030010063. The reversal of 2320030010021 is 1200100300232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1479665452225 + 840364557796 = 1216415^2 + 916714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320030010021 - 2² = 2320030010017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2320030009978 and 2320030010005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2320030040021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160015005010 + 1160015005011.

It is an arithmetic number, because the mean of its divisors is an integer number (1160015005011).

Almost surely, 2^{2320030010021} is an apocalyptic number.

It is an amenable number.

2320030010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2320030010021 is an equidigital number, since it uses as much as digits as its factorization.

2320030010021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 2320030010021 its reverse (1200100300232), we get a palindrome (3520130310253).

The spelling of 2320030010021 in words is "two trillion, three hundred twenty billion, thirty million, ten thousand, twenty-one".