123660103 has 4 divisors (see below), whose sum is σ = 141325840. Its totient is φ = 105994368.

The previous prime is 123660101. The next prime is 123660109. The reversal of 123660103 is 301066321.

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 123660103 - 2¹ = 123660101 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 (123660101) 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, 8832858 + ... + 8832871.

It is an arithmetic number, because the mean of its divisors is an integer number (35331460).

Almost surely, 2^123660103 is an apocalyptic number.

123660103 is a deficient number, since it is larger than the sum of its proper divisors (17665737).

123660103 is an equidigital number, since it uses as much as digits as its factorization.

123660103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17665736.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 123660103 is about 11120.2564268995. The cubic root of 123660103 is about 498.2070490051.

The spelling of 123660103 in words is "one hundred twenty-three million, six hundred sixty thousand, one hundred three".