2123601327 has 16 divisors (see below), whose sum is σ = 3165383680. Its totient is φ = 1407045816.

The previous prime is 2123601323. The next prime is 2123601331. The reversal of 2123601327 is 7231063212.

2123601327 is a `hidden beast` number, since 2 + 1 + 23 + 601 + 32 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (2123601323) and next prime (2123601331).

It is not a de Polignac number, because 2123601327 - 2² = 2123601323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123601327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123601323) 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, 236863 + ... + 245664.

It is an arithmetic number, because the mean of its divisors is an integer number (197836480).

Almost surely, 2^2123601327 is an apocalyptic number.

2123601327 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2123601327 is a deficient number, since it is larger than the sum of its proper divisors (1041782353).

2123601327 is a wasteful number, since it uses less digits than its factorization.

2123601327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482699 (or 482693 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2123601327 is about 46082.5490505896. The cubic root of 2123601327 is about 1285.3586642334.

Adding to 2123601327 its reverse (7231063212), we get a palindrome (9354664539).

The spelling of 2123601327 in words is "two billion, one hundred twenty-three million, six hundred one thousand, three hundred twenty-seven".