2123308 has 36 divisors (see below), whose sum is σ = 4223016. Its totient is φ = 932800.

The previous prime is 2123281. The next prime is 2123309. The reversal of 2123308 is 8033212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2123309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19791 + ... + 19897.

It is an arithmetic number, because the mean of its divisors is an integer number (117306).

2^2123308 is an apocalyptic number.

It is an amenable number.

2123308 is a deficient number, since it is larger than the sum of its proper divisors (2099708).

2123308 is a wasteful number, since it uses less digits than its factorization.

2123308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2123308 is about 1457.1575069292. The cubic root of 2123308 is about 128.5299480532.

The spelling of 2123308 in words is "two million, one hundred twenty-three thousand, three hundred eight".