2123310 has 32 divisors (see below), whose sum is σ = 5824512. Its totient is φ = 485280.

The previous prime is 2123309. The next prime is 2123327. The reversal of 2123310 is 133212.

It is a happy number.

It is a super-2 number, since 2×2123310² = 9016890712200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4846 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (182016).

2^2123310 is an apocalyptic number.

2123310 is an abundant number, since it is smaller than the sum of its proper divisors (3701202).

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

2123310 is a wasteful number, since it uses less digits than its factorization.

2123310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2123310 is about 1457.1581931966. The cubic root of 2123310 is about 128.5299884084.

Adding to 2123310 its reverse (133212), we get a palindrome (2256522).

The spelling of 2123310 in words is "two million, one hundred twenty-three thousand, three hundred ten".