101945123 has 8 divisors (see below), whose sum is σ = 118248192. Its totient is φ = 86076936.

The previous prime is 101945099. The next prime is 101945149. The reversal of 101945123 is 321549101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101945123 - 2¹⁶ = 101879587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101945092 and 101945101.

It is not an unprimeable number, because it can be changed into a prime (101945423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108215 + ... + 109152.

It is an arithmetic number, because the mean of its divisors is an integer number (14781024).

Almost surely, 2^101945123 is an apocalyptic number.

101945123 is a deficient number, since it is larger than the sum of its proper divisors (16303069).

101945123 is an equidigital number, since it uses as much as digits as its factorization.

101945123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217441.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 101945123 is about 10096.7877565095. The cubic root of 101945123 is about 467.1490658486.

The spelling of 101945123 in words is "one hundred one million, nine hundred forty-five thousand, one hundred twenty-three".