2123220210323 has 2 divisors, whose sum is σ = 2123220210324. Its totient is φ = 2123220210322.

The previous prime is 2123220210289. The next prime is 2123220210361. The reversal of 2123220210323 is 3230120223212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123220210323 - 2³² = 2118925243027 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2123220216323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061610105161 + 1061610105162.

It is an arithmetic number, because the mean of its divisors is an integer number (1061610105162).

Almost surely, 2^{2123220210323} is an apocalyptic number.

2123220210323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123220210323 is an equidigital number, since it uses as much as digits as its factorization.

2123220210323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2123220210323 its reverse (3230120223212), we get a palindrome (5353340433535).

The spelling of 2123220210323 in words is "two trillion, one hundred twenty-three billion, two hundred twenty million, two hundred ten thousand, three hundred twenty-three".