2104623 has 14 divisors (see below), whose sum is σ = 3156584. Its totient is φ = 1402596.

The previous prime is 2104607. The next prime is 2104633. The reversal of 2104623 is 3264012.

It is a happy number.

It is not a de Polignac number, because 2104623 - 2⁴ = 2104607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104596 and 2104605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104633) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 715 + ... + 2172.

2^2104623 is an apocalyptic number.

2104623 is a deficient number, since it is larger than the sum of its proper divisors (1051961).

2104623 is an frugal number, since it uses more digits than its factorization.

2104623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905 (or 2890 counting only the distinct ones).

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

The square root of 2104623 is about 1450.7318842570. The cubic root of 2104623 is about 128.1518177455.

Adding to 2104623 its reverse (3264012), we get a palindrome (5368635).

The spelling of 2104623 in words is "two million, one hundred four thousand, six hundred twenty-three".