2123020301 has 2 divisors, whose sum is σ = 2123020302. Its totient is φ = 2123020300.

The previous prime is 2123020259. The next prime is 2123020321. The reversal of 2123020301 is 1030203212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1070991076 + 1052029225 = 32726^2 + 32435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2123020301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123020321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061510150 + 1061510151.

It is an arithmetic number, because the mean of its divisors is an integer number (1061510151).

Almost surely, 2^2123020301 is an apocalyptic number.

It is an amenable number.

2123020301 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123020301 is an equidigital number, since it uses as much as digits as its factorization.

2123020301 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.

The square root of 2123020301 is about 46076.2444324622. The cubic root of 2123020301 is about 1285.2414270798.

Adding to 2123020301 its reverse (1030203212), we get a palindrome (3153223513).

The spelling of 2123020301 in words is "two billion, one hundred twenty-three million, twenty thousand, three hundred one".