2120545023 has 8 divisors (see below), whose sum is σ = 2837905200. Its totient is φ = 1408440768.

The previous prime is 2120544991. The next prime is 2120545069. The reversal of 2120545023 is 3205450212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120545023 - 2⁵ = 2120544991 is a prime.

It is a super-2 number, since 2×2120545023² = 8993422389140141058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2120544984 and 2120545002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120541023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1313038 + ... + 1314651.

It is an arithmetic number, because the mean of its divisors is an integer number (354738150).

Almost surely, 2^2120545023 is an apocalyptic number.

2120545023 is a deficient number, since it is larger than the sum of its proper divisors (717360177).

2120545023 is a wasteful number, since it uses less digits than its factorization.

2120545023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627961.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2120545023 is about 46049.3759241100. The cubic root of 2120545023 is about 1284.7417353553.

Adding to 2120545023 its reverse (3205450212), we get a palindrome (5325995235).

The spelling of 2120545023 in words is "two billion, one hundred twenty million, five hundred forty-five thousand, twenty-three".