2162623 has 2 divisors, whose sum is σ = 2162624. Its totient is φ = 2162622.

The previous prime is 2162603. The next prime is 2162639. The reversal of 2162623 is 3262612.

It is a happy number.

2162623 is nontrivially palindromic in base 9.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2162594 and 2162603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2162603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081311 + 1081312.

It is an arithmetic number, because the mean of its divisors is an integer number (1081312).

2^2162623 is an apocalyptic number.

2162623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162623 is an equidigital number, since it uses as much as digits as its factorization.

2162623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

The square root of 2162623 is about 1470.5859376453. The cubic root of 2162623 is about 129.3183850710.

The spelling of 2162623 in words is "two million, one hundred sixty-two thousand, six hundred twenty-three".