2122030123 has 4 divisors (see below), whose sum is σ = 2124790360. Its totient is φ = 2119269888.

The previous prime is 2122030087. The next prime is 2122030129. The reversal of 2122030123 is 3210302212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122030123 - 2¹³ = 2122021931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2122030097 and 2122030106.

It is not an unprimeable number, because it can be changed into a prime (2122030129) 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, 1378965 + ... + 1380502.

It is an arithmetic number, because the mean of its divisors is an integer number (531197590).

Almost surely, 2^2122030123 is an apocalyptic number.

2122030123 is a deficient number, since it is larger than the sum of its proper divisors (2760237).

2122030123 is an equidigital number, since it uses as much as digits as its factorization.

2122030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760236.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2122030123 is about 46065.4981846501. The cubic root of 2122030123 is about 1285.0415835383.

Adding to 2122030123 its reverse (3210302212), we get a palindrome (5332332335).

The spelling of 2122030123 in words is "two billion, one hundred twenty-two million, thirty thousand, one hundred twenty-three".