4121997223 has 2 divisors, whose sum is σ = 4121997224. Its totient is φ = 4121997222.

The previous prime is 4121997221. The next prime is 4121997277. The reversal of 4121997223 is 3227991214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4121997223 - 2¹ = 4121997221 is a prime.

It is a super-2 number, since 2×4121997223² = 33981722212839423458, which contains 22 as substring.

Together with 4121997221, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121997221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060998611 + 2060998612.

It is an arithmetic number, because the mean of its divisors is an integer number (2060998612).

Almost surely, 2^4121997223 is an apocalyptic number.

4121997223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121997223 is an equidigital number, since it uses as much as digits as its factorization.

4121997223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 4121997223 is about 64202.7820503131. The cubic root of 4121997223 is about 1603.3779186007.

The spelling of 4121997223 in words is "four billion, one hundred twenty-one million, nine hundred ninety-seven thousand, two hundred twenty-three".