2123103210 has 16 divisors (see below), whose sum is σ = 5095447776. Its totient is φ = 566160848.

The previous prime is 2123103209. The next prime is 2123103211. The reversal of 2123103210 is 123013212.

It is an interprime number because it is at equal distance from previous prime (2123103209) and next prime (2123103211).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2123103210.

It is not an unprimeable number, because it can be changed into a prime (2123103211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35385024 + ... + 35385083.

It is an arithmetic number, because the mean of its divisors is an integer number (318465486).

Almost surely, 2^2123103210 is an apocalyptic number.

2123103210 is an abundant number, since it is smaller than the sum of its proper divisors (2972344566).

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

2123103210 is a wasteful number, since it uses less digits than its factorization.

2123103210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70770117.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2123103210 is about 46077.1441172302. The cubic root of 2123103210 is about 1285.2581574418.

Adding to 2123103210 its reverse (123013212), we get a palindrome (2246116422).

The spelling of 2123103210 in words is "two billion, one hundred twenty-three million, one hundred three thousand, two hundred ten".