2123020259 has 2 divisors, whose sum is σ = 2123020260. Its totient is φ = 2123020258.

The previous prime is 2123020219. The next prime is 2123020301. The reversal of 2123020259 is 9520203212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123020259 - 2¹² = 2123016163 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123020219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061510129 + 1061510130.

It is an arithmetic number, because the mean of its divisors is an integer number (1061510130).

Almost surely, 2^2123020259 is an apocalyptic number.

2123020259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123020259 is an equidigital number, since it uses as much as digits as its factorization.

2123020259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2123020259 is about 46076.2439766958. The cubic root of 2123020259 is about 1285.2414186044.

The spelling of 2123020259 in words is "two billion, one hundred twenty-three million, twenty thousand, two hundred fifty-nine".