2106142623 has 24 divisors (see below), whose sum is σ = 3352421072. Its totient is φ = 1265943168.

The previous prime is 2106142559. The next prime is 2106142627. The reversal of 2106142623 is 3262416012.

2106142623 is a `hidden beast` number, since 2 + 1 + 0 + 614 + 26 + 23 = 666.

It is not a de Polignac number, because 2106142623 - 2⁶ = 2106142559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106142627) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204286 + ... + 214347.

Almost surely, 2^2106142623 is an apocalyptic number.

2106142623 is a deficient number, since it is larger than the sum of its proper divisors (1246278449).

2106142623 is a wasteful number, since it uses less digits than its factorization.

2106142623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418695 (or 418692 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2106142623 is about 45892.7295222239. The cubic root of 2106142623 is about 1281.8265392503.

Adding to 2106142623 its reverse (3262416012), we get a palindrome (5368558635).

The spelling of 2106142623 in words is "two billion, one hundred six million, one hundred forty-two thousand, six hundred twenty-three".