101144123 has 2 divisors, whose sum is σ = 101144124. Its totient is φ = 101144122.

The previous prime is 101144111. The next prime is 101144137. The reversal of 101144123 is 321441101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101144123 - 2⁴ = 101144107 is a prime.

It is not a weakly prime, because it can be changed into another prime (101144143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50572061 + 50572062.

It is an arithmetic number, because the mean of its divisors is an integer number (50572062).

Almost surely, 2^101144123 is an apocalyptic number.

101144123 is a deficient number, since it is larger than the sum of its proper divisors (1).

101144123 is an equidigital number, since it uses as much as digits as its factorization.

101144123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 101144123 is about 10057.0434522279. The cubic root of 101144123 is about 465.9223577718.

Adding to 101144123 its reverse (321441101), we get a palindrome (422585224).

The spelling of 101144123 in words is "one hundred one million, one hundred forty-four thousand, one hundred twenty-three".