4290823 has 2 divisors, whose sum is σ = 4290824. Its totient is φ = 4290822.

The previous prime is 4290799. The next prime is 4290833. The reversal of 4290823 is 3280924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4290823 - 2⁹ = 4290311 is a prime.

It is a super-2 number, since 2×4290823² = 36822324034658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4290791 and 4290800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4290833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145411 + 2145412.

It is an arithmetic number, because the mean of its divisors is an integer number (2145412).

Almost surely, 2^4290823 is an apocalyptic number.

4290823 is a deficient number, since it is larger than the sum of its proper divisors (1).

4290823 is an equidigital number, since it uses as much as digits as its factorization.

4290823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4290823 is about 2071.4301822654. The cubic root of 4290823 is about 162.4975684054.

The spelling of 4290823 in words is "four million, two hundred ninety thousand, eight hundred twenty-three".