101223103 has 4 divisors (see below), whose sum is σ = 101510208. Its totient is φ = 100936000.

The previous prime is 101223077. The next prime is 101223113. The reversal of 101223103 is 301322101.

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 101223103 - 2⁵ = 101223071 is a prime.

It is a super-2 number, since 2×101223103² = 20492233161897218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223113) 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 3 ways as a sum of consecutive naturals, for example, 143023 + ... + 143728.

It is an arithmetic number, because the mean of its divisors is an integer number (25377552).

Almost surely, 2^101223103 is an apocalyptic number.

101223103 is a deficient number, since it is larger than the sum of its proper divisors (287105).

101223103 is an equidigital number, since it uses as much as digits as its factorization.

101223103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287104.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 101223103 is about 10060.9692873003. The cubic root of 101223103 is about 466.0436005181.

Adding to 101223103 its reverse (301322101), we get a palindrome (402545204).

It can be divided in two parts, 10122 and 3103, that added together give a square (13225 = 115²).

The spelling of 101223103 in words is "one hundred one million, two hundred twenty-three thousand, one hundred three".