4290023 has 2 divisors, whose sum is σ = 4290024. Its totient is φ = 4290022.

The previous prime is 4290017. The next prime is 4290037. The reversal of 4290023 is 3200924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4290023 - 2⁶ = 4289959 is a prime.

It is equal to p₃₀₂₁₇₇ and since 4290023 and 302177 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 4289977 and 4290004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4290043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145011 + 2145012.

It is an arithmetic number, because the mean of its divisors is an integer number (2145012).

Almost surely, 2^4290023 is an apocalyptic number.

4290023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4290023 is an equidigital number, since it uses as much as digits as its factorization.

4290023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4290023 is about 2071.2370699657. The cubic root of 4290023 is about 162.4874688562.

Adding to 4290023 its reverse (3200924), we get a palindrome (7490947).

The spelling of 4290023 in words is "four million, two hundred ninety thousand, twenty-three".