2105623230 has 64 divisors (see below), whose sum is σ = 5523406848. Its totient is φ = 511418880.

The previous prime is 2105623229. The next prime is 2105623237. The reversal of 2105623230 is 323265012.

2105623230 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2105623230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105623237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50782 + ... + 82401.

It is an arithmetic number, because the mean of its divisors is an integer number (86303232).

Almost surely, 2^2105623230 is an apocalyptic number.

2105623230 is an abundant number, since it is smaller than the sum of its proper divisors (3417783618).

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

2105623230 is a wasteful number, since it uses less digits than its factorization.

2105623230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133241.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2105623230 is about 45887.0704011489. The cubic root of 2105623230 is about 1281.7211607477.

Adding to 2105623230 its reverse (323265012), we get a palindrome (2428888242).

The spelling of 2105623230 in words is "two billion, one hundred five million, six hundred twenty-three thousand, two hundred thirty".