2102623 has 2 divisors, whose sum is σ = 2102624. Its totient is φ = 2102622.

The previous prime is 2102593. The next prime is 2102629. The reversal of 2102623 is 3262012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102623 - 2²¹ = 5471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102597 and 2102606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051311 + 1051312.

It is an arithmetic number, because the mean of its divisors is an integer number (1051312).

2^2102623 is an apocalyptic number.

2102623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102623 is an equidigital number, since it uses as much as digits as its factorization.

2102623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2102623 is about 1450.0424131728. The cubic root of 2102623 is about 128.1112111276. Note that the first 3 decimals are identical.

Adding to 2102623 its reverse (3262012), we get a palindrome (5364635).

The spelling of 2102623 in words is "two million, one hundred two thousand, six hundred twenty-three".