103728723 has 16 divisors (see below), whose sum is σ = 162336000. Its totient is φ = 57671136.

The previous prime is 103728721. The next prime is 103728727. The reversal of 103728723 is 327827301.

It is not a de Polignac number, because 103728723 - 2¹ = 103728721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103728721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65973 + ... + 67526.

It is an arithmetic number, because the mean of its divisors is an integer number (10146000).

Almost surely, 2^103728723 is an apocalyptic number.

103728723 is a deficient number, since it is larger than the sum of its proper divisors (58607277).

103728723 is a wasteful number, since it uses less digits than its factorization.

103728723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133546.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 103728723 is about 10184.7298933256. The cubic root of 103728723 is about 469.8576949590.

The spelling of 103728723 in words is "one hundred three million, seven hundred twenty-eight thousand, seven hundred twenty-three".