123727940103 has 8 divisors (see below), whose sum is σ = 167058822400. Its totient is φ = 81441175608.

The previous prime is 123727940081. The next prime is 123727940177. The reversal of 123727940103 is 301049727321.

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

It is not a de Polignac number, because 123727940103 - 2⁸ = 123727939847 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 (123727940603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261029173 + ... + 261029646.

It is an arithmetic number, because the mean of its divisors is an integer number (20882352800).

Almost surely, 2^123727940103 is an apocalyptic number.

123727940103 is a deficient number, since it is larger than the sum of its proper divisors (43330882297).

123727940103 is an equidigital number, since it uses as much as digits as its factorization.

123727940103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522058901.

The product of its (nonzero) digits is 63504, while the sum is 39.

The spelling of 123727940103 in words is "one hundred twenty-three billion, seven hundred twenty-seven million, nine hundred forty thousand, one hundred three".