101223443 has 2 divisors, whose sum is σ = 101223444. Its totient is φ = 101223442.

The previous prime is 101223439. The next prime is 101223449. The reversal of 101223443 is 344322101.

It is a weak prime.

It is an emirp because it is prime and its reverse (344322101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101223443 - 2² = 101223439 is a prime.

It is not a weakly prime, because it can be changed into another prime (101223449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611721 + 50611722.

It is an arithmetic number, because the mean of its divisors is an integer number (50611722).

Almost surely, 2^101223443 is an apocalyptic number.

101223443 is a deficient number, since it is larger than the sum of its proper divisors (1).

101223443 is an equidigital number, since it uses as much as digits as its factorization.

101223443 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 101223443 is about 10060.9861842664. The cubic root of 101223443 is about 466.0441223181.

Adding to 101223443 its reverse (344322101), we get a palindrome (445545544).

The spelling of 101223443 in words is "one hundred one million, two hundred twenty-three thousand, four hundred forty-three".