101223449 has 2 divisors, whose sum is σ = 101223450. Its totient is φ = 101223448.

The previous prime is 101223443. The next prime is 101223467. The reversal of 101223449 is 944322101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70896400 + 30327049 = 8420^2 + 5507^2 .

It is a cyclic number.

It is not a de Polignac number, because 101223449 - 2⁴ = 101223433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101223443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611724 + 50611725.

It is an arithmetic number, because the mean of its divisors is an integer number (50611725).

Almost surely, 2^101223449 is an apocalyptic number.

It is an amenable number.

101223449 is a deficient number, since it is larger than the sum of its proper divisors (1).

101223449 is an equidigital number, since it uses as much as digits as its factorization.

101223449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 101223449 is about 10060.9864824479. The cubic root of 101223449 is about 466.0441315263.

The spelling of 101223449 in words is "one hundred one million, two hundred twenty-three thousand, four hundred forty-nine".