101123103 has 4 divisors (see below), whose sum is σ = 134830808. Its totient is φ = 67415400.

The previous prime is 101123083. The next prime is 101123117. The reversal of 101123103 is 301321101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101123103 - 2¹³ = 101114911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16853848 + ... + 16853853.

It is an arithmetic number, because the mean of its divisors is an integer number (33707702).

Almost surely, 2^101123103 is an apocalyptic number.

101123103 is a deficient number, since it is larger than the sum of its proper divisors (33707705).

101123103 is an equidigital number, since it uses as much as digits as its factorization.

101123103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33707704.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 101123103 is about 10055.9983591884. The cubic root of 101123103 is about 465.8900791902.

Adding to 101123103 its reverse (301321101), we get a palindrome (402444204).

The spelling of 101123103 in words is "one hundred one million, one hundred twenty-three thousand, one hundred three".