2122623 has 12 divisors (see below), whose sum is σ = 3227640. Its totient is φ = 1340496.

The previous prime is 2122619. The next prime is 2122633. The reversal of 2122623 is 3262212.

2122623 is a `hidden beast` number, since 21 + 22 + 623 = 666.

It is not a de Polignac number, because 2122623 - 2² = 2122619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2122596 and 2122605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122633) 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, 6036 + ... + 6377.

It is an arithmetic number, because the mean of its divisors is an integer number (268970).

2^2122623 is an apocalyptic number.

2122623 is a deficient number, since it is larger than the sum of its proper divisors (1105017).

2122623 is a wasteful number, since it uses less digits than its factorization.

2122623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438 (or 12435 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2122623 is about 1456.9224413125. The cubic root of 2122623 is about 128.5161248924.

Adding to 2122623 its reverse (3262212), we get a palindrome (5384835).

The spelling of 2122623 in words is "two million, one hundred twenty-two thousand, six hundred twenty-three".