2123136170 has 48 divisors (see below), whose sum is σ = 3931296768. Its totient is φ = 825538080.

The previous prime is 2123136157. The next prime is 2123136199. The reversal of 2123136170 is 716313212.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4925855 + ... + 4926285.

It is an arithmetic number, because the mean of its divisors is an integer number (81902016).

Almost surely, 2^2123136170 is an apocalyptic number.

2123136170 is a deficient number, since it is larger than the sum of its proper divisors (1808160598).

2123136170 is a wasteful number, since it uses less digits than its factorization.

2123136170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2123136170 is about 46077.5017768976. The cubic root of 2123136170 is about 1285.2648083807.

Adding to 2123136170 its reverse (716313212), we get a palindrome (2839449382).

The spelling of 2123136170 in words is "two billion, one hundred twenty-three million, one hundred thirty-six thousand, one hundred seventy".