2123023117 has 2 divisors, whose sum is σ = 2123023118. Its totient is φ = 2123023116.

The previous prime is 2123023093. The next prime is 2123023141. The reversal of 2123023117 is 7113203212.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2123023093) and next prime (2123023141).

It can be written as a sum of positive squares in only one way, i.e., 1453973161 + 669049956 = 38131^2 + 25866^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123023117 - 2⁷ = 2123022989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123023187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061511558 + 1061511559.

It is an arithmetic number, because the mean of its divisors is an integer number (1061511559).

Almost surely, 2^2123023117 is an apocalyptic number.

It is an amenable number.

2123023117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123023117 is an equidigital number, since it uses as much as digits as its factorization.

2123023117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2123023117 is about 46076.2749904981. The cubic root of 2123023117 is about 1285.2419953328.

Adding to 2123023117 its reverse (7113203212), we get a palindrome (9236226329).

The spelling of 2123023117 in words is "two billion, one hundred twenty-three million, twenty-three thousand, one hundred seventeen".