2120120023 has 16 divisors (see below), whose sum is σ = 2509796160. Its totient is φ = 1752307200.

The previous prime is 2120120011. The next prime is 2120120027. The reversal of 2120120023 is 3200210212.

It is not a de Polignac number, because 2120120023 - 2²⁹ = 1583249111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120119985 and 2120120012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120120027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160303 + ... + 173023.

It is an arithmetic number, because the mean of its divisors is an integer number (156862260).

Almost surely, 2^2120120023 is an apocalyptic number.

2120120023 is a deficient number, since it is larger than the sum of its proper divisors (389676137).

2120120023 is a wasteful number, since it uses less digits than its factorization.

2120120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13578.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2120120023 is about 46044.7610809308. The cubic root of 2120120023 is about 1284.6559002338.

Adding to 2120120023 its reverse (3200210212), we get a palindrome (5320330235).

The spelling of 2120120023 in words is "two billion, one hundred twenty million, one hundred twenty thousand, twenty-three".