2102323134 has 64 divisors (see below), whose sum is σ = 4556482560. Its totient is φ = 644474880.

The previous prime is 2102323123. The next prime is 2102323141. The reversal of 2102323134 is 4313232012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102323134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1041294 + ... + 1043310.

It is an arithmetic number, because the mean of its divisors is an integer number (71195040).

Almost surely, 2^2102323134 is an apocalyptic number.

2102323134 is an abundant number, since it is smaller than the sum of its proper divisors (2454159426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102323134 is a wasteful number, since it uses less digits than its factorization.

2102323134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2102323134 is about 45851.0974132572. The cubic root of 2102323134 is about 1281.0512063608.

Adding to 2102323134 its reverse (4313232012), we get a palindrome (6415555146).

The spelling of 2102323134 in words is "two billion, one hundred two million, three hundred twenty-three thousand, one hundred thirty-four".