101003123 has 4 divisors (see below), whose sum is σ = 108772608. Its totient is φ = 93233640.

The previous prime is 101003101. The next prime is 101003179. The reversal of 101003123 is 321300101.

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

It is a cyclic number.

It is not a de Polignac number, because 101003123 - 2⁶ = 101003059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101003323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884723 + ... + 3884748.

It is an arithmetic number, because the mean of its divisors is an integer number (27193152).

Almost surely, 2^101003123 is an apocalyptic number.

101003123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101003123 is a deficient number, since it is larger than the sum of its proper divisors (7769485).

101003123 is an equidigital number, since it uses as much as digits as its factorization.

101003123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769484.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 101003123 is about 10050.0309949771. The cubic root of 101003123 is about 465.7057506783.

Adding to 101003123 its reverse (321300101), we get a palindrome (422303224).

The spelling of 101003123 in words is "one hundred one million, three thousand, one hundred twenty-three".