2123023101 has 4 divisors (see below), whose sum is σ = 2830697472. Its totient is φ = 1415348732.

The previous prime is 2123023093. The next prime is 2123023117. The reversal of 2123023101 is 1013203212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2123023101 - 2³ = 2123023093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123023141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353837181 + ... + 353837186.

It is an arithmetic number, because the mean of its divisors is an integer number (707674368).

Almost surely, 2^2123023101 is an apocalyptic number.

It is an amenable number.

2123023101 is a deficient number, since it is larger than the sum of its proper divisors (707674371).

2123023101 is an equidigital number, since it uses as much as digits as its factorization.

2123023101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707674370.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2123023101 is about 46076.2748168729. The cubic root of 2123023101 is about 1285.2419921041.

Adding to 2123023101 its reverse (1013203212), we get a palindrome (3136226313).

The spelling of 2123023101 in words is "two billion, one hundred twenty-three million, twenty-three thousand, one hundred one".