2150123369 has 2 divisors, whose sum is σ = 2150123370. Its totient is φ = 2150123368.

The previous prime is 2150123359. The next prime is 2150123401. The reversal of 2150123369 is 9633210512.

It is an a-pointer prime, because the next prime (2150123401) can be obtained adding 2150123369 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2132592400 + 17530969 = 46180^2 + 4187^2 .

It is a cyclic number.

It is not a de Polignac number, because 2150123369 - 2⁸ = 2150123113 is a prime.

It is a super-3 number, since 3×2150123369³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2150123309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075061684 + 1075061685.

It is an arithmetic number, because the mean of its divisors is an integer number (1075061685).

Almost surely, 2^2150123369 is an apocalyptic number.

It is an amenable number.

2150123369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150123369 is an equidigital number, since it uses as much as digits as its factorization.

2150123369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2150123369 is about 46369.4227805350. The cubic root of 2150123369 is about 1290.6875666808.

The spelling of 2150123369 in words is "two billion, one hundred fifty million, one hundred twenty-three thousand, three hundred sixty-nine".