123981703 has 4 divisors (see below), whose sum is σ = 124004088. Its totient is φ = 123959320.

The previous prime is 123981653. The next prime is 123981713. The reversal of 123981703 is 307189321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 123981703 - 2¹⁷ = 123850631 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 (123981713) 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 3 ways as a sum of consecutive naturals, for example, 3900 + ... + 16222.

It is an arithmetic number, because the mean of its divisors is an integer number (31001022).

Almost surely, 2^123981703 is an apocalyptic number.

123981703 is a deficient number, since it is larger than the sum of its proper divisors (22385).

123981703 is a wasteful number, since it uses less digits than its factorization.

123981703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22384.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 123981703 is about 11134.7071357984. The cubic root of 123981703 is about 498.6385670318.

The spelling of 123981703 in words is "one hundred twenty-three million, nine hundred eighty-one thousand, seven hundred three".