4240401223 has 2 divisors, whose sum is σ = 4240401224. Its totient is φ = 4240401222.

The previous prime is 4240401181. The next prime is 4240401259. The reversal of 4240401223 is 3221040424.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4240401223 - 2⁹ = 4240400711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4240401194 and 4240401203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240401293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120200611 + 2120200612.

It is an arithmetic number, because the mean of its divisors is an integer number (2120200612).

Almost surely, 2^4240401223 is an apocalyptic number.

4240401223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240401223 is an equidigital number, since it uses as much as digits as its factorization.

4240401223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4240401223 is about 65118.3631781389. The cubic root of 4240401223 is about 1618.5855182318.

Adding to 4240401223 its reverse (3221040424), we get a palindrome (7461441647).

The spelling of 4240401223 in words is "four billion, two hundred forty million, four hundred one thousand, two hundred twenty-three".