2238023 has 2 divisors, whose sum is σ = 2238024. Its totient is φ = 2238022.

The previous prime is 2238013. The next prime is 2238043. The reversal of 2238023 is 3208322.

It is a happy number.

It is an a-pointer prime, because the next prime (2238043) can be obtained adding 2238023 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2238023 - 2¹⁰ = 2236999 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2237986 and 2238004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2238013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119011 + 1119012.

It is an arithmetic number, because the mean of its divisors is an integer number (1119012).

2^2238023 is an apocalyptic number.

2238023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2238023 is an equidigital number, since it uses as much as digits as its factorization.

2238023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2238023 is about 1496.0023395704. The cubic root of 2238023 is about 130.8041476363.

Subtracting 2238023 from its reverse (3208322), we obtain a cube (970299 = 99³).

The spelling of 2238023 in words is "two million, two hundred thirty-eight thousand, twenty-three".