4000042120223 has 2 divisors, whose sum is σ = 4000042120224. Its totient is φ = 4000042120222.

The previous prime is 4000042120157. The next prime is 4000042120267. The reversal of 4000042120223 is 3220212400004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4000042120223 - 2²⁴ = 4000025343007 is a prime.

It is a super-2 number, since 2×4000042120223² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4000042120195 and 4000042120204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4060042120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000021060111 + 2000021060112.

It is an arithmetic number, because the mean of its divisors is an integer number (2000021060112).

Almost surely, 2^{4000042120223} is an apocalyptic number.

4000042120223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000042120223 is an equidigital number, since it uses as much as digits as its factorization.

4000042120223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 4000042120223 its reverse (3220212400004), we get a palindrome (7220254520227).

The spelling of 4000042120223 in words is "four trillion, forty-two million, one hundred twenty thousand, two hundred twenty-three".