2123155283 has 2 divisors, whose sum is σ = 2123155284. Its totient is φ = 2123155282.

The previous prime is 2123155273. The next prime is 2123155339. The reversal of 2123155283 is 3825513212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123155283 - 2⁴ = 2123155267 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2123155213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061577641 + 1061577642.

It is an arithmetic number, because the mean of its divisors is an integer number (1061577642).

Almost surely, 2^2123155283 is an apocalyptic number.

2123155283 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123155283 is an equidigital number, since it uses as much as digits as its factorization.

2123155283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 2123155283 is about 46077.7091769979. The cubic root of 2123155283 is about 1285.2686651270.

Adding to 2123155283 its reverse (3825513212), we get a palindrome (5948668495).

The spelling of 2123155283 in words is "two billion, one hundred twenty-three million, one hundred fifty-five thousand, two hundred eighty-three".