2123022329 has 4 divisors (see below), whose sum is σ = 2123114484. Its totient is φ = 2122930176.

The previous prime is 2123022313. The next prime is 2123022463. The reversal of 2123022329 is 9232203212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1455575104 + 667447225 = 38152^2 + 25835^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123022329 - 2⁴ = 2123022313 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2123022298 and 2123022307.

It is not an unprimeable number, because it can be changed into a prime (2123022229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22649 + ... + 68985.

It is an arithmetic number, because the mean of its divisors is an integer number (530778621).

Almost surely, 2^2123022329 is an apocalyptic number.

It is an amenable number.

2123022329 is a deficient number, since it is larger than the sum of its proper divisors (92155).

2123022329 is an equidigital number, since it uses as much as digits as its factorization.

2123022329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92154.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 2123022329 is about 46076.2664394588. The cubic root of 2123022329 is about 1285.2418363189.

The spelling of 2123022329 in words is "two billion, one hundred twenty-three million, twenty-two thousand, three hundred twenty-nine".